Home / 629,766.10-944,649.15-623,861.20

Finding the Fourth Proportional to 629,766.10, 944,649.15 and 623,861.20

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Solution

The fourth proportional to 629,766.10, 944,649.15 and 623,861.20 is: 935,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,766.10 : 944,649.15 = 623,861.20 : x
  2. Step 2: Convert to fraction form
    629,766.10/944,649.15 = 623,861.20/x
  3. Step 3: Cross multiply
    629,766.10x = 944,649.15 × 623,861.20
  4. Step 4: Simplify right side
    629,766.10x = 589,329,952,297.98
  5. Step 5: Solve for x
    x = 589,329,952,297.98/629,766.10
  6. Step 6: Final answer
    x = 935,791.80

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Double scale
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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.