Home / 968,943.23-1,335,755.90-681,571.43

Finding the Fourth Proportional to 968,943.23, 1,335,755.90 and 681,571.43

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Solution

The fourth proportional to 968,943.23, 1,335,755.90 and 681,571.43 is: 939,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,943.23 : 1,335,755.90 = 681,571.43 : x
  2. Step 2: Convert to fraction form
    968,943.23/1,335,755.90 = 681,571.43/x
  3. Step 3: Cross multiply
    968,943.23x = 1,335,755.90 × 681,571.43
  4. Step 4: Simplify right side
    968,943.23x = 910,413,055,486.08
  5. Step 5: Solve for x
    x = 910,413,055,486.08/968,943.23
  6. Step 6: Final answer
    x = 939,593.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.