Home / 356,202.16-491,633.20-327,476.32

Finding the Fourth Proportional to 356,202.16, 491,633.20 and 327,476.32

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Solution

The fourth proportional to 356,202.16, 491,633.20 and 327,476.32 is: 451,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,202.16 : 491,633.20 = 327,476.32 : x
  2. Step 2: Convert to fraction form
    356,202.16/491,633.20 = 327,476.32/x
  3. Step 3: Cross multiply
    356,202.16x = 491,633.20 × 327,476.32
  4. Step 4: Simplify right side
    356,202.16x = 160,998,231,125.82
  5. Step 5: Solve for x
    x = 160,998,231,125.82/356,202.16
  6. Step 6: Final answer
    x = 451,985.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.