Home / 447,158.20-617,046.55-243,204.96

Finding the Fourth Proportional to 447,158.20, 617,046.55 and 243,204.96

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Solution

The fourth proportional to 447,158.20, 617,046.55 and 243,204.96 is: 335,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,158.20 : 617,046.55 = 243,204.96 : x
  2. Step 2: Convert to fraction form
    447,158.20/617,046.55 = 243,204.96/x
  3. Step 3: Cross multiply
    447,158.20x = 617,046.55 × 243,204.96
  4. Step 4: Simplify right side
    447,158.20x = 150,068,781,510.89
  5. Step 5: Solve for x
    x = 150,068,781,510.89/447,158.20
  6. Step 6: Final answer
    x = 335,605.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.