Home / 451,481.06-623,041.11-247,540.61

Finding the Fourth Proportional to 451,481.06, 623,041.11 and 247,540.61

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Solution

The fourth proportional to 451,481.06, 623,041.11 and 247,540.61 is: 341,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,481.06 : 623,041.11 = 247,540.61 : x
  2. Step 2: Convert to fraction form
    451,481.06/623,041.11 = 247,540.61/x
  3. Step 3: Cross multiply
    451,481.06x = 623,041.11 × 247,540.61
  4. Step 4: Simplify right side
    451,481.06x = 154,227,973,309.27
  5. Step 5: Solve for x
    x = 154,227,973,309.27/451,481.06
  6. Step 6: Final answer
    x = 341,604.53

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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.