Home / 547,819.80-821,729.70-193,234.20

Finding the Fourth Proportional to 547,819.80, 821,729.70 and 193,234.20

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Solution

The fourth proportional to 547,819.80, 821,729.70 and 193,234.20 is: 289,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,819.80 : 821,729.70 = 193,234.20 : x
  2. Step 2: Convert to fraction form
    547,819.80/821,729.70 = 193,234.20/x
  3. Step 3: Cross multiply
    547,819.80x = 821,729.70 × 193,234.20
  4. Step 4: Simplify right side
    547,819.80x = 158,786,281,195.74
  5. Step 5: Solve for x
    x = 158,786,281,195.74/547,819.80
  6. Step 6: Final answer
    x = 289,851.30

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Similar ratio
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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.