Home / 591,229.70-886,844.55-402,272.90

Finding the Fourth Proportional to 591,229.70, 886,844.55 and 402,272.90

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Solution

The fourth proportional to 591,229.70, 886,844.55 and 402,272.90 is: 603,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,229.70 : 886,844.55 = 402,272.90 : x
  2. Step 2: Convert to fraction form
    591,229.70/886,844.55 = 402,272.90/x
  3. Step 3: Cross multiply
    591,229.70x = 886,844.55 × 402,272.90
  4. Step 4: Simplify right side
    591,229.70x = 356,753,528,977.70
  5. Step 5: Solve for x
    x = 356,753,528,977.70/591,229.70
  6. Step 6: Final answer
    x = 603,409.35

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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.