Home / 680,979.20-1,019,049.60-593,196.80

Finding the Fourth Proportional to 680,979.20, 1,019,049.60 and 593,196.80

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Solution

The fourth proportional to 680,979.20, 1,019,049.60 and 593,196.80 is: 887,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,979.20 : 1,019,049.60 = 593,196.80 : x
  2. Step 2: Convert to fraction form
    680,979.20/1,019,049.60 = 593,196.80/x
  3. Step 3: Cross multiply
    680,979.20x = 1,019,049.60 × 593,196.80
  4. Step 4: Simplify right side
    680,979.20x = 604,496,961,761.28
  5. Step 5: Solve for x
    x = 604,496,961,761.28/680,979.20
  6. Step 6: Final answer
    x = 887,687.85

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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.