Home / 415,532.20-623,330.70-178,882.60

Finding the Fourth Proportional to 415,532.20, 623,330.70 and 178,882.60

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Solution

The fourth proportional to 415,532.20, 623,330.70 and 178,882.60 is: 268,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,532.20 : 623,330.70 = 178,882.60 : x
  2. Step 2: Convert to fraction form
    415,532.20/623,330.70 = 178,882.60/x
  3. Step 3: Cross multiply
    415,532.20x = 623,330.70 × 178,882.60
  4. Step 4: Simplify right side
    415,532.20x = 111,503,016,275.82
  5. Step 5: Solve for x
    x = 111,503,016,275.82/415,532.20
  6. Step 6: Final answer
    x = 268,337.85

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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.