Home / 1,206,640.68-1,665,454.15-690,693.66

Finding the Fourth Proportional to 1,206,640.68, 1,665,454.15 and 690,693.66

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Solution

The fourth proportional to 1,206,640.68, 1,665,454.15 and 690,693.66 is: 953,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,640.68 : 1,665,454.15 = 690,693.66 : x
  2. Step 2: Convert to fraction form
    1,206,640.68/1,665,454.15 = 690,693.66/x
  3. Step 3: Cross multiply
    1,206,640.68x = 1,665,454.15 × 690,693.66
  4. Step 4: Simplify right side
    1,206,640.68x = 1,150,318,620,698.95
  5. Step 5: Solve for x
    x = 1,150,318,620,698.95/1,206,640.68
  6. Step 6: Final answer
    x = 953,323.26

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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.