Home / 1,259,187.46-1,737,628.00-686,215.33

Finding the Fourth Proportional to 1,259,187.46, 1,737,628.00 and 686,215.33

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Solution

The fourth proportional to 1,259,187.46, 1,737,628.00 and 686,215.33 is: 946,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,187.46 : 1,737,628.00 = 686,215.33 : x
  2. Step 2: Convert to fraction form
    1,259,187.46/1,737,628.00 = 686,215.33/x
  3. Step 3: Cross multiply
    1,259,187.46x = 1,737,628.00 × 686,215.33
  4. Step 4: Simplify right side
    1,259,187.46x = 1,192,386,965,377.63
  5. Step 5: Solve for x
    x = 1,192,386,965,377.63/1,259,187.46
  6. Step 6: Final answer
    x = 946,949.53

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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.