Home / 327,629.44-491,443.80-103,009.51

Finding the Fourth Proportional to 327,629.44, 491,443.80 and 103,009.51

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Solution

The fourth proportional to 327,629.44, 491,443.80 and 103,009.51 is: 154,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629.44 : 491,443.80 = 103,009.51 : x
  2. Step 2: Convert to fraction form
    327,629.44/491,443.80 = 103,009.51/x
  3. Step 3: Cross multiply
    327,629.44x = 491,443.80 × 103,009.51
  4. Step 4: Simplify right side
    327,629.44x = 50,623,385,030.54
  5. Step 5: Solve for x
    x = 50,623,385,030.54/327,629.44
  6. Step 6: Final answer
    x = 154,514.15

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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.