Home / 701,749.62-1,052,221.51-274,785.55

Finding the Fourth Proportional to 701,749.62, 1,052,221.51 and 274,785.55

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Solution

The fourth proportional to 701,749.62, 1,052,221.51 and 274,785.55 is: 412,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,749.62 : 1,052,221.51 = 274,785.55 : x
  2. Step 2: Convert to fraction form
    701,749.62/1,052,221.51 = 274,785.55/x
  3. Step 3: Cross multiply
    701,749.62x = 1,052,221.51 × 274,785.55
  4. Step 4: Simplify right side
    701,749.62x = 289,135,266,347.18
  5. Step 5: Solve for x
    x = 289,135,266,347.18/701,749.62
  6. Step 6: Final answer
    x = 412,020.55

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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.