Home / 521,776.10-782,344.28-222,086.04

Finding the Fourth Proportional to 521,776.10, 782,344.28 and 222,086.04

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Solution

The fourth proportional to 521,776.10, 782,344.28 and 222,086.04 is: 332,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,776.10 : 782,344.28 = 222,086.04 : x
  2. Step 2: Convert to fraction form
    521,776.10/782,344.28 = 222,086.04/x
  3. Step 3: Cross multiply
    521,776.10x = 782,344.28 × 222,086.04
  4. Step 4: Simplify right side
    521,776.10x = 173,747,743,061.85
  5. Step 5: Solve for x
    x = 173,747,743,061.85/521,776.10
  6. Step 6: Final answer
    x = 332,992.91

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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.