Home / 729,951.17-1,000,016.42-702,660.20

Finding the Fourth Proportional to 729,951.17, 1,000,016.42 and 702,660.20

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Solution

The fourth proportional to 729,951.17, 1,000,016.42 and 702,660.20 is: 962,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,951.17 : 1,000,016.42 = 702,660.20 : x
  2. Step 2: Convert to fraction form
    729,951.17/1,000,016.42 = 702,660.20/x
  3. Step 3: Cross multiply
    729,951.17x = 1,000,016.42 × 702,660.20
  4. Step 4: Simplify right side
    729,951.17x = 702,671,729,167.10
  5. Step 5: Solve for x
    x = 702,671,729,167.10/729,951.17
  6. Step 6: Final answer
    x = 962,628.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.