Home / 547,279.60-821,001.48-192,231.04

Finding the Fourth Proportional to 547,279.60, 821,001.48 and 192,231.04

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Solution

The fourth proportional to 547,279.60, 821,001.48 and 192,231.04 is: 288,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,279.60 : 821,001.48 = 192,231.04 : x
  2. Step 2: Convert to fraction form
    547,279.60/821,001.48 = 192,231.04/x
  3. Step 3: Cross multiply
    547,279.60x = 821,001.48 × 192,231.04
  4. Step 4: Simplify right side
    547,279.60x = 157,821,968,341.94
  5. Step 5: Solve for x
    x = 157,821,968,341.94/547,279.60
  6. Step 6: Final answer
    x = 288,375.39

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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.