Home / 467,739.96-645,481.19-252,879.96

Finding the Fourth Proportional to 467,739.96, 645,481.19 and 252,879.96

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Solution

The fourth proportional to 467,739.96, 645,481.19 and 252,879.96 is: 348,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,739.96 : 645,481.19 = 252,879.96 : x
  2. Step 2: Convert to fraction form
    467,739.96/645,481.19 = 252,879.96/x
  3. Step 3: Cross multiply
    467,739.96x = 645,481.19 × 252,879.96
  4. Step 4: Simplify right side
    467,739.96x = 163,229,257,507.95
  5. Step 5: Solve for x
    x = 163,229,257,507.95/467,739.96
  6. Step 6: Final answer
    x = 348,974.37

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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.