Home / 2,132,628.98-3,198,943.47-712,685.06

Finding the Fourth Proportional to 2,132,628.98, 3,198,943.47 and 712,685.06

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Solution

The fourth proportional to 2,132,628.98, 3,198,943.47 and 712,685.06 is: 1,069,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,628.98 : 3,198,943.47 = 712,685.06 : x
  2. Step 2: Convert to fraction form
    2,132,628.98/3,198,943.47 = 712,685.06/x
  3. Step 3: Cross multiply
    2,132,628.98x = 3,198,943.47 × 712,685.06
  4. Step 4: Simplify right side
    2,132,628.98x = 2,279,839,218,853.56
  5. Step 5: Solve for x
    x = 2,279,839,218,853.56/2,132,628.98
  6. Step 6: Final answer
    x = 1,069,027.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.