Home / 418,174.32-577,082.70-227,188.20

Finding the Fourth Proportional to 418,174.32, 577,082.70 and 227,188.20

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Solution

The fourth proportional to 418,174.32, 577,082.70 and 227,188.20 is: 313,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,174.32 : 577,082.70 = 227,188.20 : x
  2. Step 2: Convert to fraction form
    418,174.32/577,082.70 = 227,188.20/x
  3. Step 3: Cross multiply
    418,174.32x = 577,082.70 × 227,188.20
  4. Step 4: Simplify right side
    418,174.32x = 131,106,379,864.14
  5. Step 5: Solve for x
    x = 131,106,379,864.14/418,174.32
  6. Step 6: Final answer
    x = 313,520.88

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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.