Home / 861,740.52-1,189,249.04-479,758.92

Finding the Fourth Proportional to 861,740.52, 1,189,249.04 and 479,758.92

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Solution

The fourth proportional to 861,740.52, 1,189,249.04 and 479,758.92 is: 662,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,740.52 : 1,189,249.04 = 479,758.92 : x
  2. Step 2: Convert to fraction form
    861,740.52/1,189,249.04 = 479,758.92/x
  3. Step 3: Cross multiply
    861,740.52x = 1,189,249.04 × 479,758.92
  4. Step 4: Simplify right side
    861,740.52x = 570,552,835,041.44
  5. Step 5: Solve for x
    x = 570,552,835,041.44/861,740.52
  6. Step 6: Final answer
    x = 662,093.54

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1.5x scale

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.