Home / 327,639.96-491,530.05-185,552.39

Finding the Fourth Proportional to 327,639.96, 491,530.05 and 185,552.39

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Solution

The fourth proportional to 327,639.96, 491,530.05 and 185,552.39 is: 278,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,639.96 : 491,530.05 = 185,552.39 : x
  2. Step 2: Convert to fraction form
    327,639.96/491,530.05 = 185,552.39/x
  3. Step 3: Cross multiply
    327,639.96x = 491,530.05 × 185,552.39
  4. Step 4: Simplify right side
    327,639.96x = 91,204,575,534.32
  5. Step 5: Solve for x
    x = 91,204,575,534.32/327,639.96
  6. Step 6: Final answer
    x = 278,368.29

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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.