Home / 330,155.64-495,516.24-327,670.56

Finding the Fourth Proportional to 330,155.64, 495,516.24 and 327,670.56

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Solution

The fourth proportional to 330,155.64, 495,516.24 and 327,670.56 is: 491,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,155.64 : 495,516.24 = 327,670.56 : x
  2. Step 2: Convert to fraction form
    330,155.64/495,516.24 = 327,670.56/x
  3. Step 3: Cross multiply
    330,155.64x = 495,516.24 × 327,670.56
  4. Step 4: Simplify right side
    330,155.64x = 162,366,083,849.89
  5. Step 5: Solve for x
    x = 162,366,083,849.89/330,155.64
  6. Step 6: Final answer
    x = 491,786.49

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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.