Home / 1,192,462.20-1,787,310.90-482,023.80

Finding the Fourth Proportional to 1,192,462.20, 1,787,310.90 and 482,023.80

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Solution

The fourth proportional to 1,192,462.20, 1,787,310.90 and 482,023.80 is: 722,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,462.20 : 1,787,310.90 = 482,023.80 : x
  2. Step 2: Convert to fraction form
    1,192,462.20/1,787,310.90 = 482,023.80/x
  3. Step 3: Cross multiply
    1,192,462.20x = 1,787,310.90 × 482,023.80
  4. Step 4: Simplify right side
    1,192,462.20x = 861,526,391,799.42
  5. Step 5: Solve for x
    x = 861,526,391,799.42/1,192,462.20
  6. Step 6: Final answer
    x = 722,476.90

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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.