Home / 791,074.58-1,189,979.24-717,086.95

Finding the Fourth Proportional to 791,074.58, 1,189,979.24 and 717,086.95

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Solution

The fourth proportional to 791,074.58, 1,189,979.24 and 717,086.95 is: 1,078,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,074.58 : 1,189,979.24 = 717,086.95 : x
  2. Step 2: Convert to fraction form
    791,074.58/1,189,979.24 = 717,086.95/x
  3. Step 3: Cross multiply
    791,074.58x = 1,189,979.24 × 717,086.95
  4. Step 4: Simplify right side
    791,074.58x = 853,318,577,214.54
  5. Step 5: Solve for x
    x = 853,318,577,214.54/791,074.58
  6. Step 6: Final answer
    x = 1,078,682.85

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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.