Home / 476,719.72-715,078.96-121,733.56

Finding the Fourth Proportional to 476,719.72, 715,078.96 and 121,733.56

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Solution

The fourth proportional to 476,719.72, 715,078.96 and 121,733.56 is: 182,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,719.72 : 715,078.96 = 121,733.56 : x
  2. Step 2: Convert to fraction form
    476,719.72/715,078.96 = 121,733.56/x
  3. Step 3: Cross multiply
    476,719.72x = 715,078.96 × 121,733.56
  4. Step 4: Simplify right side
    476,719.72x = 87,049,107,481.90
  5. Step 5: Solve for x
    x = 87,049,107,481.90/476,719.72
  6. Step 6: Final answer
    x = 182,600.18

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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.