Home / 547,748.97-822,300.05-259,835.88

Finding the Fourth Proportional to 547,748.97, 822,300.05 and 259,835.88

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Solution

The fourth proportional to 547,748.97, 822,300.05 and 259,835.88 is: 390,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,748.97 : 822,300.05 = 259,835.88 : x
  2. Step 2: Convert to fraction form
    547,748.97/822,300.05 = 259,835.88/x
  3. Step 3: Cross multiply
    547,748.97x = 822,300.05 × 259,835.88
  4. Step 4: Simplify right side
    547,748.97x = 213,663,057,115.79
  5. Step 5: Solve for x
    x = 213,663,057,115.79/547,748.97
  6. Step 6: Final answer
    x = 390,074.78

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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.