Home / 543,180.06-749,726.24-371,167.56

Finding the Fourth Proportional to 543,180.06, 749,726.24 and 371,167.56

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Solution

The fourth proportional to 543,180.06, 749,726.24 and 371,167.56 is: 512,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,180.06 : 749,726.24 = 371,167.56 : x
  2. Step 2: Convert to fraction form
    543,180.06/749,726.24 = 371,167.56/x
  3. Step 3: Cross multiply
    543,180.06x = 749,726.24 × 371,167.56
  4. Step 4: Simplify right side
    543,180.06x = 278,274,058,221.17
  5. Step 5: Solve for x
    x = 278,274,058,221.17/543,180.06
  6. Step 6: Final answer
    x = 512,305.36

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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.