Home / 629,910.10-944,865.15-605,415.70

Finding the Fourth Proportional to 629,910.10, 944,865.15 and 605,415.70

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Solution

The fourth proportional to 629,910.10, 944,865.15 and 605,415.70 is: 908,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,910.10 : 944,865.15 = 605,415.70 : x
  2. Step 2: Convert to fraction form
    629,910.10/944,865.15 = 605,415.70/x
  3. Step 3: Cross multiply
    629,910.10x = 944,865.15 × 605,415.70
  4. Step 4: Simplify right side
    629,910.10x = 572,036,196,192.86
  5. Step 5: Solve for x
    x = 572,036,196,192.86/629,910.10
  6. Step 6: Final answer
    x = 908,123.55

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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.