Home / 451,217.28-622,679.82-269,936.82

Finding the Fourth Proportional to 451,217.28, 622,679.82 and 269,936.82

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Solution

The fourth proportional to 451,217.28, 622,679.82 and 269,936.82 is: 372,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,217.28 : 622,679.82 = 269,936.82 : x
  2. Step 2: Convert to fraction form
    451,217.28/622,679.82 = 269,936.82/x
  3. Step 3: Cross multiply
    451,217.28x = 622,679.82 × 269,936.82
  4. Step 4: Simplify right side
    451,217.28x = 168,084,210,488.97
  5. Step 5: Solve for x
    x = 168,084,210,488.97/451,217.28
  6. Step 6: Final answer
    x = 372,512.80

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1.5x scale

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.