Home / 906,995.60-1,253,380.20-680,247.44

Finding the Fourth Proportional to 906,995.60, 1,253,380.20 and 680,247.44

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Solution

The fourth proportional to 906,995.60, 1,253,380.20 and 680,247.44 is: 940,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,995.60 : 1,253,380.20 = 680,247.44 : x
  2. Step 2: Convert to fraction form
    906,995.60/1,253,380.20 = 680,247.44/x
  3. Step 3: Cross multiply
    906,995.60x = 1,253,380.20 × 680,247.44
  4. Step 4: Simplify right side
    906,995.60x = 852,608,672,396.69
  5. Step 5: Solve for x
    x = 852,608,672,396.69/906,995.60
  6. Step 6: Final answer
    x = 940,036.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.