Home / 769,947.66-1,062,534.60-425,806.92

Finding the Fourth Proportional to 769,947.66, 1,062,534.60 and 425,806.92

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Solution

The fourth proportional to 769,947.66, 1,062,534.60 and 425,806.92 is: 587,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,947.66 : 1,062,534.60 = 425,806.92 : x
  2. Step 2: Convert to fraction form
    769,947.66/1,062,534.60 = 425,806.92/x
  3. Step 3: Cross multiply
    769,947.66x = 1,062,534.60 × 425,806.92
  4. Step 4: Simplify right side
    769,947.66x = 452,434,585,419.43
  5. Step 5: Solve for x
    x = 452,434,585,419.43/769,947.66
  6. Step 6: Final answer
    x = 587,617.33

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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.