Home / 362,676.96-500,456.07-209,691.18

Finding the Fourth Proportional to 362,676.96, 500,456.07 and 209,691.18

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Solution

The fourth proportional to 362,676.96, 500,456.07 and 209,691.18 is: 289,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,676.96 : 500,456.07 = 209,691.18 : x
  2. Step 2: Convert to fraction form
    362,676.96/500,456.07 = 209,691.18/x
  3. Step 3: Cross multiply
    362,676.96x = 500,456.07 × 209,691.18
  4. Step 4: Simplify right side
    362,676.96x = 104,941,223,856.46
  5. Step 5: Solve for x
    x = 104,941,223,856.46/362,676.96
  6. Step 6: Final answer
    x = 289,351.78

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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.