Home / 1,589,106.72-2,192,956.39-863,954.43

Finding the Fourth Proportional to 1,589,106.72, 2,192,956.39 and 863,954.43

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Solution

The fourth proportional to 1,589,106.72, 2,192,956.39 and 863,954.43 is: 1,192,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,106.72 : 2,192,956.39 = 863,954.43 : x
  2. Step 2: Convert to fraction form
    1,589,106.72/2,192,956.39 = 863,954.43/x
  3. Step 3: Cross multiply
    1,589,106.72x = 2,192,956.39 × 863,954.43
  4. Step 4: Simplify right side
    1,589,106.72x = 1,894,614,387,937.31
  5. Step 5: Solve for x
    x = 1,894,614,387,937.31/1,589,106.72
  6. Step 6: Final answer
    x = 1,192,251.20

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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.