Home / 451,471.38-623,037.54-247,540.92

Finding the Fourth Proportional to 451,471.38, 623,037.54 and 247,540.92

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Solution

The fourth proportional to 451,471.38, 623,037.54 and 247,540.92 is: 341,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,471.38 : 623,037.54 = 247,540.92 : x
  2. Step 2: Convert to fraction form
    451,471.38/623,037.54 = 247,540.92/x
  3. Step 3: Cross multiply
    451,471.38x = 623,037.54 × 247,540.92
  4. Step 4: Simplify right side
    451,471.38x = 154,227,285,846.14
  5. Step 5: Solve for x
    x = 154,227,285,846.14/451,471.38
  6. Step 6: Final answer
    x = 341,610.33

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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.