Home / 726,052.20-1,087,523.10-474,109.80

Finding the Fourth Proportional to 726,052.20, 1,087,523.10 and 474,109.80

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Solution

The fourth proportional to 726,052.20, 1,087,523.10 and 474,109.80 is: 710,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,052.20 : 1,087,523.10 = 474,109.80 : x
  2. Step 2: Convert to fraction form
    726,052.20/1,087,523.10 = 474,109.80/x
  3. Step 3: Cross multiply
    726,052.20x = 1,087,523.10 × 474,109.80
  4. Step 4: Simplify right side
    726,052.20x = 515,605,359,436.38
  5. Step 5: Solve for x
    x = 515,605,359,436.38/726,052.20
  6. Step 6: Final answer
    x = 710,149.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.