Home / 327,539.10-491,567.85-127,955.10

Finding the Fourth Proportional to 327,539.10, 491,567.85 and 127,955.10

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Solution

The fourth proportional to 327,539.10, 491,567.85 and 127,955.10 is: 192,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,539.10 : 491,567.85 = 127,955.10 : x
  2. Step 2: Convert to fraction form
    327,539.10/491,567.85 = 127,955.10/x
  3. Step 3: Cross multiply
    327,539.10x = 491,567.85 × 127,955.10
  4. Step 4: Simplify right side
    327,539.10x = 62,898,613,403.54
  5. Step 5: Solve for x
    x = 62,898,613,403.54/327,539.10
  6. Step 6: Final answer
    x = 192,033.91

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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.