Home / 728,703.57-1,091,591.50-362,863.02

Finding the Fourth Proportional to 728,703.57, 1,091,591.50 and 362,863.02

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Solution

The fourth proportional to 728,703.57, 1,091,591.50 and 362,863.02 is: 543,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,703.57 : 1,091,591.50 = 362,863.02 : x
  2. Step 2: Convert to fraction form
    728,703.57/1,091,591.50 = 362,863.02/x
  3. Step 3: Cross multiply
    728,703.57x = 1,091,591.50 × 362,863.02
  4. Step 4: Simplify right side
    728,703.57x = 396,098,188,296.33
  5. Step 5: Solve for x
    x = 396,098,188,296.33/728,703.57
  6. Step 6: Final answer
    x = 543,565.59

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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.