Home / 547,514.68-820,732.26-192,279.60

Finding the Fourth Proportional to 547,514.68, 820,732.26 and 192,279.60

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Solution

The fourth proportional to 547,514.68, 820,732.26 and 192,279.60 is: 288,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,514.68 : 820,732.26 = 192,279.60 : x
  2. Step 2: Convert to fraction form
    547,514.68/820,732.26 = 192,279.60/x
  3. Step 3: Cross multiply
    547,514.68x = 820,732.26 × 192,279.60
  4. Step 4: Simplify right side
    547,514.68x = 157,810,070,659.90
  5. Step 5: Solve for x
    x = 157,810,070,659.90/547,514.68
  6. Step 6: Final answer
    x = 288,229.84

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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.