Home / 414,385.83-621,517.21-114,835.18

Finding the Fourth Proportional to 414,385.83, 621,517.21 and 114,835.18

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Solution

The fourth proportional to 414,385.83, 621,517.21 and 114,835.18 is: 172,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,385.83 : 621,517.21 = 114,835.18 : x
  2. Step 2: Convert to fraction form
    414,385.83/621,517.21 = 114,835.18/x
  3. Step 3: Cross multiply
    414,385.83x = 621,517.21 × 114,835.18
  4. Step 4: Simplify right side
    414,385.83x = 71,372,040,683.45
  5. Step 5: Solve for x
    x = 71,372,040,683.45/414,385.83
  6. Step 6: Final answer
    x = 172,235.72

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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.