Home / 374,743.82-517,001.21-238,753.42

Finding the Fourth Proportional to 374,743.82, 517,001.21 and 238,753.42

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Solution

The fourth proportional to 374,743.82, 517,001.21 and 238,753.42 is: 329,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,743.82 : 517,001.21 = 238,753.42 : x
  2. Step 2: Convert to fraction form
    374,743.82/517,001.21 = 238,753.42/x
  3. Step 3: Cross multiply
    374,743.82x = 517,001.21 × 238,753.42
  4. Step 4: Simplify right side
    374,743.82x = 123,435,807,031.64
  5. Step 5: Solve for x
    x = 123,435,807,031.64/374,743.82
  6. Step 6: Final answer
    x = 329,387.17

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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.