Home / 451,178.17-622,625.79-269,897.74

Finding the Fourth Proportional to 451,178.17, 622,625.79 and 269,897.74

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Solution

The fourth proportional to 451,178.17, 622,625.79 and 269,897.74 is: 372,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,178.17 : 622,625.79 = 269,897.74 : x
  2. Step 2: Convert to fraction form
    451,178.17/622,625.79 = 269,897.74/x
  3. Step 3: Cross multiply
    451,178.17x = 622,625.79 × 269,897.74
  4. Step 4: Simplify right side
    451,178.17x = 168,045,293,586.72
  5. Step 5: Solve for x
    x = 168,045,293,586.72/451,178.17
  6. Step 6: Final answer
    x = 372,458.83

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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.