Home / 502,218.12-753,327.17-221,679.48

Finding the Fourth Proportional to 502,218.12, 753,327.17 and 221,679.48

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Solution

The fourth proportional to 502,218.12, 753,327.17 and 221,679.48 is: 332,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,218.12 : 753,327.17 = 221,679.48 : x
  2. Step 2: Convert to fraction form
    502,218.12/753,327.17 = 221,679.48/x
  3. Step 3: Cross multiply
    502,218.12x = 753,327.17 × 221,679.48
  4. Step 4: Simplify right side
    502,218.12x = 166,997,175,315.47
  5. Step 5: Solve for x
    x = 166,997,175,315.47/502,218.12
  6. Step 6: Final answer
    x = 332,519.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.