Home / 1,145,993.44-1,581,520.16-636,695.81

Finding the Fourth Proportional to 1,145,993.44, 1,581,520.16 and 636,695.81

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Solution

The fourth proportional to 1,145,993.44, 1,581,520.16 and 636,695.81 is: 878,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,993.44 : 1,581,520.16 = 636,695.81 : x
  2. Step 2: Convert to fraction form
    1,145,993.44/1,581,520.16 = 636,695.81/x
  3. Step 3: Cross multiply
    1,145,993.44x = 1,581,520.16 × 636,695.81
  4. Step 4: Simplify right side
    1,145,993.44x = 1,006,947,260,072.85
  5. Step 5: Solve for x
    x = 1,006,947,260,072.85/1,145,993.44
  6. Step 6: Final answer
    x = 878,667.56

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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.