Home / 327,628.31-491,442.06-103,008.36

Finding the Fourth Proportional to 327,628.31, 491,442.06 and 103,008.36

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Solution

The fourth proportional to 327,628.31, 491,442.06 and 103,008.36 is: 154,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,628.31 : 491,442.06 = 103,008.36 : x
  2. Step 2: Convert to fraction form
    327,628.31/491,442.06 = 103,008.36/x
  3. Step 3: Cross multiply
    327,628.31x = 491,442.06 × 103,008.36
  4. Step 4: Simplify right side
    327,628.31x = 50,622,640,635.62
  5. Step 5: Solve for x
    x = 50,622,640,635.62/327,628.31
  6. Step 6: Final answer
    x = 154,512.41

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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.