Home / 327,533.12-491,007.48-127,807.05

Finding the Fourth Proportional to 327,533.12, 491,007.48 and 127,807.05

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Solution

The fourth proportional to 327,533.12, 491,007.48 and 127,807.05 is: 191,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,533.12 : 491,007.48 = 127,807.05 : x
  2. Step 2: Convert to fraction form
    327,533.12/491,007.48 = 127,807.05/x
  3. Step 3: Cross multiply
    327,533.12x = 491,007.48 × 127,807.05
  4. Step 4: Simplify right side
    327,533.12x = 62,754,217,546.73
  5. Step 5: Solve for x
    x = 62,754,217,546.73/327,533.12
  6. Step 6: Final answer
    x = 191,596.56

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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.