Home / 1,251,517.28-1,877,330.52-612,359.20

Finding the Fourth Proportional to 1,251,517.28, 1,877,330.52 and 612,359.20

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Solution

The fourth proportional to 1,251,517.28, 1,877,330.52 and 612,359.20 is: 918,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,517.28 : 1,877,330.52 = 612,359.20 : x
  2. Step 2: Convert to fraction form
    1,251,517.28/1,877,330.52 = 612,359.20/x
  3. Step 3: Cross multiply
    1,251,517.28x = 1,877,330.52 × 612,359.20
  4. Step 4: Simplify right side
    1,251,517.28x = 1,149,600,620,349.44
  5. Step 5: Solve for x
    x = 1,149,600,620,349.44/1,251,517.28
  6. Step 6: Final answer
    x = 918,565.52

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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.