Home / 702,062.28-1,052,138.88-296,917.56

Finding the Fourth Proportional to 702,062.28, 1,052,138.88 and 296,917.56

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Solution

The fourth proportional to 702,062.28, 1,052,138.88 and 296,917.56 is: 444,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,062.28 : 1,052,138.88 = 296,917.56 : x
  2. Step 2: Convert to fraction form
    702,062.28/1,052,138.88 = 296,917.56/x
  3. Step 3: Cross multiply
    702,062.28x = 1,052,138.88 × 296,917.56
  4. Step 4: Simplify right side
    702,062.28x = 312,398,509,030.73
  5. Step 5: Solve for x
    x = 312,398,509,030.73/702,062.28
  6. Step 6: Final answer
    x = 444,972.64

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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.