Home / 454,719.23-682,081.20-117,736.28

Finding the Fourth Proportional to 454,719.23, 682,081.20 and 117,736.28

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Solution

The fourth proportional to 454,719.23, 682,081.20 and 117,736.28 is: 176,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,719.23 : 682,081.20 = 117,736.28 : x
  2. Step 2: Convert to fraction form
    454,719.23/682,081.20 = 117,736.28/x
  3. Step 3: Cross multiply
    454,719.23x = 682,081.20 × 117,736.28
  4. Step 4: Simplify right side
    454,719.23x = 80,305,699,735.53
  5. Step 5: Solve for x
    x = 80,305,699,735.53/454,719.23
  6. Step 6: Final answer
    x = 176,605.02

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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.