Home / 418,031.23-576,882.66-227,044.78

Finding the Fourth Proportional to 418,031.23, 576,882.66 and 227,044.78

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Solution

The fourth proportional to 418,031.23, 576,882.66 and 227,044.78 is: 313,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,031.23 : 576,882.66 = 227,044.78 : x
  2. Step 2: Convert to fraction form
    418,031.23/576,882.66 = 227,044.78/x
  3. Step 3: Cross multiply
    418,031.23x = 576,882.66 × 227,044.78
  4. Step 4: Simplify right side
    418,031.23x = 130,978,196,625.52
  5. Step 5: Solve for x
    x = 130,978,196,625.52/418,031.23
  6. Step 6: Final answer
    x = 313,321.56

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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.