Home / 721,469.46-1,082,351.78-248,093.34

Finding the Fourth Proportional to 721,469.46, 1,082,351.78 and 248,093.34

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Solution

The fourth proportional to 721,469.46, 1,082,351.78 and 248,093.34 is: 372,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,469.46 : 1,082,351.78 = 248,093.34 : x
  2. Step 2: Convert to fraction form
    721,469.46/1,082,351.78 = 248,093.34/x
  3. Step 3: Cross multiply
    721,469.46x = 1,082,351.78 × 248,093.34
  4. Step 4: Simplify right side
    721,469.46x = 268,524,268,155.15
  5. Step 5: Solve for x
    x = 268,524,268,155.15/721,469.46
  6. Step 6: Final answer
    x = 372,190.76

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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.