Home / 1,259,185.68-1,737,625.52-686,213.56

Finding the Fourth Proportional to 1,259,185.68, 1,737,625.52 and 686,213.56

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Solution

The fourth proportional to 1,259,185.68, 1,737,625.52 and 686,213.56 is: 946,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,185.68 : 1,737,625.52 = 686,213.56 : x
  2. Step 2: Convert to fraction form
    1,259,185.68/1,737,625.52 = 686,213.56/x
  3. Step 3: Cross multiply
    1,259,185.68x = 1,737,625.52 × 686,213.56
  4. Step 4: Simplify right side
    1,259,185.68x = 1,192,382,194,026.05
  5. Step 5: Solve for x
    x = 1,192,382,194,026.05/1,259,185.68
  6. Step 6: Final answer
    x = 946,947.07

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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.