Home / 418,239.76-577,174.38-227,253.15

Finding the Fourth Proportional to 418,239.76, 577,174.38 and 227,253.15

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Solution

The fourth proportional to 418,239.76, 577,174.38 and 227,253.15 is: 313,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,239.76 : 577,174.38 = 227,253.15 : x
  2. Step 2: Convert to fraction form
    418,239.76/577,174.38 = 227,253.15/x
  3. Step 3: Cross multiply
    418,239.76x = 577,174.38 × 227,253.15
  4. Step 4: Simplify right side
    418,239.76x = 131,164,693,068.43
  5. Step 5: Solve for x
    x = 131,164,693,068.43/418,239.76
  6. Step 6: Final answer
    x = 313,611.25

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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.