Home / 454,105.30-679,991.55-360,015.70

Finding the Fourth Proportional to 454,105.30, 679,991.55 and 360,015.70

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Solution

The fourth proportional to 454,105.30, 679,991.55 and 360,015.70 is: 539,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,105.30 : 679,991.55 = 360,015.70 : x
  2. Step 2: Convert to fraction form
    454,105.30/679,991.55 = 360,015.70/x
  3. Step 3: Cross multiply
    454,105.30x = 679,991.55 × 360,015.70
  4. Step 4: Simplify right side
    454,105.30x = 244,807,633,867.34
  5. Step 5: Solve for x
    x = 244,807,633,867.34/454,105.30
  6. Step 6: Final answer
    x = 539,098.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.