Home / 1,251,793.60-1,727,348.16-768,379.12

Finding the Fourth Proportional to 1,251,793.60, 1,727,348.16 and 768,379.12

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Solution

The fourth proportional to 1,251,793.60, 1,727,348.16 and 768,379.12 is: 1,060,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,793.60 : 1,727,348.16 = 768,379.12 : x
  2. Step 2: Convert to fraction form
    1,251,793.60/1,727,348.16 = 768,379.12/x
  3. Step 3: Cross multiply
    1,251,793.60x = 1,727,348.16 × 768,379.12
  4. Step 4: Simplify right side
    1,251,793.60x = 1,327,258,259,114.42
  5. Step 5: Solve for x
    x = 1,327,258,259,114.42/1,251,793.60
  6. Step 6: Final answer
    x = 1,060,285.23

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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.