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If you take 40 percent of a number and get 687, then what is that number? In other words, you know that 40 percent of a number is 687 and you want to know what that initial number is.

To solve this problem you multiply 687 by 100 and then divide the total by 40 as follows: (687 x 100) / 40

When we put that into our calculator, we get the following answer:

1717.5


Therefore, the answer to "687 is 40 percent of what number?" is 1717.5, and you can also derive that 40 percent of 1717.5 equals 687.

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