Home / 451,176.38-622,564.09-269,822.06

Finding the Fourth Proportional to 451,176.38, 622,564.09 and 269,822.06

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Solution

The fourth proportional to 451,176.38, 622,564.09 and 269,822.06 is: 372,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,176.38 : 622,564.09 = 269,822.06 : x
  2. Step 2: Convert to fraction form
    451,176.38/622,564.09 = 269,822.06/x
  3. Step 3: Cross multiply
    451,176.38x = 622,564.09 × 269,822.06
  4. Step 4: Simplify right side
    451,176.38x = 167,981,521,458.45
  5. Step 5: Solve for x
    x = 167,981,521,458.45/451,176.38
  6. Step 6: Final answer
    x = 372,318.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.