Home / 498,545.12-747,818.76-218,084.24

Finding the Fourth Proportional to 498,545.12, 747,818.76 and 218,084.24

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Solution

The fourth proportional to 498,545.12, 747,818.76 and 218,084.24 is: 327,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,545.12 : 747,818.76 = 218,084.24 : x
  2. Step 2: Convert to fraction form
    498,545.12/747,818.76 = 218,084.24/x
  3. Step 3: Cross multiply
    498,545.12x = 747,818.76 × 218,084.24
  4. Step 4: Simplify right side
    498,545.12x = 163,087,485,932.34
  5. Step 5: Solve for x
    x = 163,087,485,932.34/498,545.12
  6. Step 6: Final answer
    x = 327,126.83

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1.5x scale

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.