Home / 804,343.50-1,206,247.32-324,447.36

Finding the Fourth Proportional to 804,343.50, 1,206,247.32 and 324,447.36

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Solution

The fourth proportional to 804,343.50, 1,206,247.32 and 324,447.36 is: 486,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,343.50 : 1,206,247.32 = 324,447.36 : x
  2. Step 2: Convert to fraction form
    804,343.50/1,206,247.32 = 324,447.36/x
  3. Step 3: Cross multiply
    804,343.50x = 1,206,247.32 × 324,447.36
  4. Step 4: Simplify right side
    804,343.50x = 391,363,758,481.08
  5. Step 5: Solve for x
    x = 391,363,758,481.08/804,343.50
  6. Step 6: Final answer
    x = 486,562.97

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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.