Home / 629,442.40-944,163.60-543,821.35

Finding the Fourth Proportional to 629,442.40, 944,163.60 and 543,821.35

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Solution

The fourth proportional to 629,442.40, 944,163.60 and 543,821.35 is: 815,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,442.40 : 944,163.60 = 543,821.35 : x
  2. Step 2: Convert to fraction form
    629,442.40/944,163.60 = 543,821.35/x
  3. Step 3: Cross multiply
    629,442.40x = 944,163.60 × 543,821.35
  4. Step 4: Simplify right side
    629,442.40x = 513,456,323,572.86
  5. Step 5: Solve for x
    x = 513,456,323,572.86/629,442.40
  6. Step 6: Final answer
    x = 815,732.03

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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.