Home / 386,974.98-534,001.65-214,882.49

Finding the Fourth Proportional to 386,974.98, 534,001.65 and 214,882.49

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Solution

The fourth proportional to 386,974.98, 534,001.65 and 214,882.49 is: 296,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,974.98 : 534,001.65 = 214,882.49 : x
  2. Step 2: Convert to fraction form
    386,974.98/534,001.65 = 214,882.49/x
  3. Step 3: Cross multiply
    386,974.98x = 534,001.65 × 214,882.49
  4. Step 4: Simplify right side
    386,974.98x = 114,747,601,546.10
  5. Step 5: Solve for x
    x = 114,747,601,546.10/386,974.98
  6. Step 6: Final answer
    x = 296,524.60

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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.