Home / 438,822.20-658,233.30-367,963.40

Finding the Fourth Proportional to 438,822.20, 658,233.30 and 367,963.40

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Solution

The fourth proportional to 438,822.20, 658,233.30 and 367,963.40 is: 551,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,822.20 : 658,233.30 = 367,963.40 : x
  2. Step 2: Convert to fraction form
    438,822.20/658,233.30 = 367,963.40/x
  3. Step 3: Cross multiply
    438,822.20x = 658,233.30 × 367,963.40
  4. Step 4: Simplify right side
    438,822.20x = 242,205,763,061.22
  5. Step 5: Solve for x
    x = 242,205,763,061.22/438,822.20
  6. Step 6: Final answer
    x = 551,945.10

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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.