Home / 770,182.43-1,062,892.10-443,545.01

Finding the Fourth Proportional to 770,182.43, 1,062,892.10 and 443,545.01

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Solution

The fourth proportional to 770,182.43, 1,062,892.10 and 443,545.01 is: 612,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,182.43 : 1,062,892.10 = 443,545.01 : x
  2. Step 2: Convert to fraction form
    770,182.43/1,062,892.10 = 443,545.01/x
  3. Step 3: Cross multiply
    770,182.43x = 1,062,892.10 × 443,545.01
  4. Step 4: Simplify right side
    770,182.43x = 471,440,491,634.97
  5. Step 5: Solve for x
    x = 471,440,491,634.97/770,182.43
  6. Step 6: Final answer
    x = 612,115.36

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1.5x scale

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.