Home / 449,233.38-619,937.33-245,283.66

Finding the Fourth Proportional to 449,233.38, 619,937.33 and 245,283.66

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Solution

The fourth proportional to 449,233.38, 619,937.33 and 245,283.66 is: 338,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,233.38 : 619,937.33 = 245,283.66 : x
  2. Step 2: Convert to fraction form
    449,233.38/619,937.33 = 245,283.66/x
  3. Step 3: Cross multiply
    449,233.38x = 619,937.33 × 245,283.66
  4. Step 4: Simplify right side
    449,233.38x = 152,060,496,046.61
  5. Step 5: Solve for x
    x = 152,060,496,046.61/449,233.38
  6. Step 6: Final answer
    x = 338,488.86

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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.