Home / 492,831.58-739,327.11-193,149.64

Finding the Fourth Proportional to 492,831.58, 739,327.11 and 193,149.64

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Solution

The fourth proportional to 492,831.58, 739,327.11 and 193,149.64 is: 289,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,831.58 : 739,327.11 = 193,149.64 : x
  2. Step 2: Convert to fraction form
    492,831.58/739,327.11 = 193,149.64/x
  3. Step 3: Cross multiply
    492,831.58x = 739,327.11 × 193,149.64
  4. Step 4: Simplify right side
    492,831.58x = 142,800,765,138.74
  5. Step 5: Solve for x
    x = 142,800,765,138.74/492,831.58
  6. Step 6: Final answer
    x = 289,755.71

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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.