Home / 327,629.57-491,443.94-103,009.61

Finding the Fourth Proportional to 327,629.57, 491,443.94 and 103,009.61

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Solution

The fourth proportional to 327,629.57, 491,443.94 and 103,009.61 is: 154,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629.57 : 491,443.94 = 103,009.61 : x
  2. Step 2: Convert to fraction form
    327,629.57/491,443.94 = 103,009.61/x
  3. Step 3: Cross multiply
    327,629.57x = 491,443.94 × 103,009.61
  4. Step 4: Simplify right side
    327,629.57x = 50,623,448,081.22
  5. Step 5: Solve for x
    x = 50,623,448,081.22/327,629.57
  6. Step 6: Final answer
    x = 154,514.29

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1.5x scale

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.