Home / 729,728.92-1,006,471.56-627,924.88

Finding the Fourth Proportional to 729,728.92, 1,006,471.56 and 627,924.88

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Solution

The fourth proportional to 729,728.92, 1,006,471.56 and 627,924.88 is: 866,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,728.92 : 1,006,471.56 = 627,924.88 : x
  2. Step 2: Convert to fraction form
    729,728.92/1,006,471.56 = 627,924.88/x
  3. Step 3: Cross multiply
    729,728.92x = 1,006,471.56 × 627,924.88
  4. Step 4: Simplify right side
    729,728.92x = 631,988,533,536.41
  5. Step 5: Solve for x
    x = 631,988,533,536.41/729,728.92
  6. Step 6: Final answer
    x = 866,059.32

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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.