Home / 629,936.90-944,905.35-405,550.70

Finding the Fourth Proportional to 629,936.90, 944,905.35 and 405,550.70

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Solution

The fourth proportional to 629,936.90, 944,905.35 and 405,550.70 is: 608,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,936.90 : 944,905.35 = 405,550.70 : x
  2. Step 2: Convert to fraction form
    629,936.90/944,905.35 = 405,550.70/x
  3. Step 3: Cross multiply
    629,936.90x = 944,905.35 × 405,550.70
  4. Step 4: Simplify right side
    629,936.90x = 383,207,026,126.25
  5. Step 5: Solve for x
    x = 383,207,026,126.25/629,936.90
  6. Step 6: Final answer
    x = 608,326.05

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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.