Home / 732,821.18-1,098,972.56-348,524.78

Finding the Fourth Proportional to 732,821.18, 1,098,972.56 and 348,524.78

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Solution

The fourth proportional to 732,821.18, 1,098,972.56 and 348,524.78 is: 522,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,821.18 : 1,098,972.56 = 348,524.78 : x
  2. Step 2: Convert to fraction form
    732,821.18/1,098,972.56 = 348,524.78/x
  3. Step 3: Cross multiply
    732,821.18x = 1,098,972.56 × 348,524.78
  4. Step 4: Simplify right side
    732,821.18x = 383,019,165,076.49
  5. Step 5: Solve for x
    x = 383,019,165,076.49/732,821.18
  6. Step 6: Final answer
    x = 522,663.89

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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.