Home / 462,124.20-693,186.30-225,618.60

Finding the Fourth Proportional to 462,124.20, 693,186.30 and 225,618.60

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Solution

The fourth proportional to 462,124.20, 693,186.30 and 225,618.60 is: 338,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,124.20 : 693,186.30 = 225,618.60 : x
  2. Step 2: Convert to fraction form
    462,124.20/693,186.30 = 225,618.60/x
  3. Step 3: Cross multiply
    462,124.20x = 693,186.30 × 225,618.60
  4. Step 4: Simplify right side
    462,124.20x = 156,395,722,545.18
  5. Step 5: Solve for x
    x = 156,395,722,545.18/462,124.20
  6. Step 6: Final answer
    x = 338,427.90

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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.