Home / 629,948.90-944,923.35-405,562.70

Finding the Fourth Proportional to 629,948.90, 944,923.35 and 405,562.70

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Solution

The fourth proportional to 629,948.90, 944,923.35 and 405,562.70 is: 608,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,948.90 : 944,923.35 = 405,562.70 : x
  2. Step 2: Convert to fraction form
    629,948.90/944,923.35 = 405,562.70/x
  3. Step 3: Cross multiply
    629,948.90x = 944,923.35 × 405,562.70
  4. Step 4: Simplify right side
    629,948.90x = 383,225,665,119.05
  5. Step 5: Solve for x
    x = 383,225,665,119.05/629,948.90
  6. Step 6: Final answer
    x = 608,344.05

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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.