Home / 534,749.85-802,124.78-429,773.85

Finding the Fourth Proportional to 534,749.85, 802,124.78 and 429,773.85

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Solution

The fourth proportional to 534,749.85, 802,124.78 and 429,773.85 is: 644,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,749.85 : 802,124.78 = 429,773.85 : x
  2. Step 2: Convert to fraction form
    534,749.85/802,124.78 = 429,773.85/x
  3. Step 3: Cross multiply
    534,749.85x = 802,124.78 × 429,773.85
  4. Step 4: Simplify right side
    534,749.85x = 344,732,252,732.13
  5. Step 5: Solve for x
    x = 344,732,252,732.13/534,749.85
  6. Step 6: Final answer
    x = 644,660.78

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Similar ratio
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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.