Home / 348,546.10-522,819.15-259,972.60

Finding the Fourth Proportional to 348,546.10, 522,819.15 and 259,972.60

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Solution

The fourth proportional to 348,546.10, 522,819.15 and 259,972.60 is: 389,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,546.10 : 522,819.15 = 259,972.60 : x
  2. Step 2: Convert to fraction form
    348,546.10/522,819.15 = 259,972.60/x
  3. Step 3: Cross multiply
    348,546.10x = 522,819.15 × 259,972.60
  4. Step 4: Simplify right side
    348,546.10x = 135,918,653,755.29
  5. Step 5: Solve for x
    x = 135,918,653,755.29/348,546.10
  6. Step 6: Final answer
    x = 389,958.90

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Similar ratio
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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.