Home / 665,764.85-998,654.57-192,454.31

Finding the Fourth Proportional to 665,764.85, 998,654.57 and 192,454.31

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Solution

The fourth proportional to 665,764.85, 998,654.57 and 192,454.31 is: 288,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,764.85 : 998,654.57 = 192,454.31 : x
  2. Step 2: Convert to fraction form
    665,764.85/998,654.57 = 192,454.31/x
  3. Step 3: Cross multiply
    665,764.85x = 998,654.57 × 192,454.31
  4. Step 4: Simplify right side
    665,764.85x = 192,195,378,453.77
  5. Step 5: Solve for x
    x = 192,195,378,453.77/665,764.85
  6. Step 6: Final answer
    x = 288,683.58

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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.