Home / 542,934.12-749,215.26-327,947.16

Finding the Fourth Proportional to 542,934.12, 749,215.26 and 327,947.16

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Solution

The fourth proportional to 542,934.12, 749,215.26 and 327,947.16 is: 452,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,934.12 : 749,215.26 = 327,947.16 : x
  2. Step 2: Convert to fraction form
    542,934.12/749,215.26 = 327,947.16/x
  3. Step 3: Cross multiply
    542,934.12x = 749,215.26 × 327,947.16
  4. Step 4: Simplify right side
    542,934.12x = 245,703,016,745.66
  5. Step 5: Solve for x
    x = 245,703,016,745.66/542,934.12
  6. Step 6: Final answer
    x = 452,546.65

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Double scale
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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.