Home / 414,062.22-621,093.41-129,752.71

Finding the Fourth Proportional to 414,062.22, 621,093.41 and 129,752.71

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Solution

The fourth proportional to 414,062.22, 621,093.41 and 129,752.71 is: 194,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,062.22 : 621,093.41 = 129,752.71 : x
  2. Step 2: Convert to fraction form
    414,062.22/621,093.41 = 129,752.71/x
  3. Step 3: Cross multiply
    414,062.22x = 621,093.41 × 129,752.71
  4. Step 4: Simplify right side
    414,062.22x = 80,588,552,560.27
  5. Step 5: Solve for x
    x = 80,588,552,560.27/414,062.22
  6. Step 6: Final answer
    x = 194,629.09

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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.