Home / 729,747.25-1,006,497.02-627,943.31

Finding the Fourth Proportional to 729,747.25, 1,006,497.02 and 627,943.31

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Solution

The fourth proportional to 729,747.25, 1,006,497.02 and 627,943.31 is: 866,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,747.25 : 1,006,497.02 = 627,943.31 : x
  2. Step 2: Convert to fraction form
    729,747.25/1,006,497.02 = 627,943.31/x
  3. Step 3: Cross multiply
    729,747.25x = 1,006,497.02 × 627,943.31
  4. Step 4: Simplify right side
    729,747.25x = 632,023,070,243.94
  5. Step 5: Solve for x
    x = 632,023,070,243.94/729,747.25
  6. Step 6: Final answer
    x = 866,084.89

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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.