Home / 348,548.10-522,822.15-259,974.60

Finding the Fourth Proportional to 348,548.10, 522,822.15 and 259,974.60

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Solution

The fourth proportional to 348,548.10, 522,822.15 and 259,974.60 is: 389,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,548.10 : 522,822.15 = 259,974.60 : x
  2. Step 2: Convert to fraction form
    348,548.10/522,822.15 = 259,974.60/x
  3. Step 3: Cross multiply
    348,548.10x = 522,822.15 × 259,974.60
  4. Step 4: Simplify right side
    348,548.10x = 135,920,479,317.39
  5. Step 5: Solve for x
    x = 135,920,479,317.39/348,548.10
  6. Step 6: Final answer
    x = 389,961.90

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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.