Home / 394,829.76-591,879.42-192,305.64

Finding the Fourth Proportional to 394,829.76, 591,879.42 and 192,305.64

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Solution

The fourth proportional to 394,829.76, 591,879.42 and 192,305.64 is: 288,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,829.76 : 591,879.42 = 192,305.64 : x
  2. Step 2: Convert to fraction form
    394,829.76/591,879.42 = 192,305.64/x
  3. Step 3: Cross multiply
    394,829.76x = 591,879.42 × 192,305.64
  4. Step 4: Simplify right side
    394,829.76x = 113,821,750,665.93
  5. Step 5: Solve for x
    x = 113,821,750,665.93/394,829.76
  6. Step 6: Final answer
    x = 288,280.58

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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.