Home / 399,269.25-598,379.00-196,976.61

Finding the Fourth Proportional to 399,269.25, 598,379.00 and 196,976.61

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Solution

The fourth proportional to 399,269.25, 598,379.00 and 196,976.61 is: 295,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,269.25 : 598,379.00 = 196,976.61 : x
  2. Step 2: Convert to fraction form
    399,269.25/598,379.00 = 196,976.61/x
  3. Step 3: Cross multiply
    399,269.25x = 598,379.00 × 196,976.61
  4. Step 4: Simplify right side
    399,269.25x = 117,866,665,930.31
  5. Step 5: Solve for x
    x = 117,866,665,930.31/399,269.25
  6. Step 6: Final answer
    x = 295,205.97

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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.