Home / 414,385.29-621,516.42-114,834.63

Finding the Fourth Proportional to 414,385.29, 621,516.42 and 114,834.63

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Solution

The fourth proportional to 414,385.29, 621,516.42 and 114,834.63 is: 172,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,385.29 : 621,516.42 = 114,834.63 : x
  2. Step 2: Convert to fraction form
    414,385.29/621,516.42 = 114,834.63/x
  3. Step 3: Cross multiply
    414,385.29x = 621,516.42 × 114,834.63
  4. Step 4: Simplify right side
    414,385.29x = 71,371,610,460.31
  5. Step 5: Solve for x
    x = 71,371,610,460.31/414,385.29
  6. Step 6: Final answer
    x = 172,234.90

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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.