Home / 1,017,540.20-1,526,310.30-259,380.20

Finding the Fourth Proportional to 1,017,540.20, 1,526,310.30 and 259,380.20

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Solution

The fourth proportional to 1,017,540.20, 1,526,310.30 and 259,380.20 is: 389,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,540.20 : 1,526,310.30 = 259,380.20 : x
  2. Step 2: Convert to fraction form
    1,017,540.20/1,526,310.30 = 259,380.20/x
  3. Step 3: Cross multiply
    1,017,540.20x = 1,526,310.30 × 259,380.20
  4. Step 4: Simplify right side
    1,017,540.20x = 395,894,670,876.06
  5. Step 5: Solve for x
    x = 395,894,670,876.06/1,017,540.20
  6. Step 6: Final answer
    x = 389,070.30

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Double scale
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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.