Home / 1,259,186.25-1,737,626.31-686,214.12

Finding the Fourth Proportional to 1,259,186.25, 1,737,626.31 and 686,214.12

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Solution

The fourth proportional to 1,259,186.25, 1,737,626.31 and 686,214.12 is: 946,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,186.25 : 1,737,626.31 = 686,214.12 : x
  2. Step 2: Convert to fraction form
    1,259,186.25/1,737,626.31 = 686,214.12/x
  3. Step 3: Cross multiply
    1,259,186.25x = 1,737,626.31 × 686,214.12
  4. Step 4: Simplify right side
    1,259,186.25x = 1,192,383,709,205.50
  5. Step 5: Solve for x
    x = 1,192,383,709,205.50/1,259,186.25
  6. Step 6: Final answer
    x = 946,947.85

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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.