Home / 623,923.20-935,815.68-180,691.20

Finding the Fourth Proportional to 623,923.20, 935,815.68 and 180,691.20

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Solution

The fourth proportional to 623,923.20, 935,815.68 and 180,691.20 is: 271,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,923.20 : 935,815.68 = 180,691.20 : x
  2. Step 2: Convert to fraction form
    623,923.20/935,815.68 = 180,691.20/x
  3. Step 3: Cross multiply
    623,923.20x = 935,815.68 × 180,691.20
  4. Step 4: Simplify right side
    623,923.20x = 169,093,658,198.02
  5. Step 5: Solve for x
    x = 169,093,658,198.02/623,923.20
  6. Step 6: Final answer
    x = 271,016.78

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1.5x scale

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.