Home / 1,278,366.38-1,764,183.04-697,626.93

Finding the Fourth Proportional to 1,278,366.38, 1,764,183.04 and 697,626.93

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Solution

The fourth proportional to 1,278,366.38, 1,764,183.04 and 697,626.93 is: 962,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,366.38 : 1,764,183.04 = 697,626.93 : x
  2. Step 2: Convert to fraction form
    1,278,366.38/1,764,183.04 = 697,626.93/x
  3. Step 3: Cross multiply
    1,278,366.38x = 1,764,183.04 × 697,626.93
  4. Step 4: Simplify right side
    1,278,366.38x = 1,230,741,598,153.27
  5. Step 5: Solve for x
    x = 1,230,741,598,153.27/1,278,366.38
  6. Step 6: Final answer
    x = 962,745.59

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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.