Home / 418,467.36-577,488.66-227,481.06

Finding the Fourth Proportional to 418,467.36, 577,488.66 and 227,481.06

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Solution

The fourth proportional to 418,467.36, 577,488.66 and 227,481.06 is: 313,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,467.36 : 577,488.66 = 227,481.06 : x
  2. Step 2: Convert to fraction form
    418,467.36/577,488.66 = 227,481.06/x
  3. Step 3: Cross multiply
    418,467.36x = 577,488.66 × 227,481.06
  4. Step 4: Simplify right side
    418,467.36x = 131,367,732,514.78
  5. Step 5: Solve for x
    x = 131,367,732,514.78/418,467.36
  6. Step 6: Final answer
    x = 313,925.88

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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.