Home / 414,941.25-622,412.42-115,421.85

Finding the Fourth Proportional to 414,941.25, 622,412.42 and 115,421.85

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Solution

The fourth proportional to 414,941.25, 622,412.42 and 115,421.85 is: 173,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,941.25 : 622,412.42 = 115,421.85 : x
  2. Step 2: Convert to fraction form
    414,941.25/622,412.42 = 115,421.85/x
  3. Step 3: Cross multiply
    414,941.25x = 622,412.42 × 115,421.85
  4. Step 4: Simplify right side
    414,941.25x = 71,839,992,402.27
  5. Step 5: Solve for x
    x = 71,839,992,402.27/414,941.25
  6. Step 6: Final answer
    x = 173,132.93

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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.