Home / 437,626.20-656,439.30-382,330.20

Finding the Fourth Proportional to 437,626.20, 656,439.30 and 382,330.20

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Solution

The fourth proportional to 437,626.20, 656,439.30 and 382,330.20 is: 573,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,626.20 : 656,439.30 = 382,330.20 : x
  2. Step 2: Convert to fraction form
    437,626.20/656,439.30 = 382,330.20/x
  3. Step 3: Cross multiply
    437,626.20x = 656,439.30 × 382,330.20
  4. Step 4: Simplify right side
    437,626.20x = 250,976,568,856.86
  5. Step 5: Solve for x
    x = 250,976,568,856.86/437,626.20
  6. Step 6: Final answer
    x = 573,495.30

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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.