Home / 814,956.44-1,223,714.12-690,231.83

Finding the Fourth Proportional to 814,956.44, 1,223,714.12 and 690,231.83

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Solution

The fourth proportional to 814,956.44, 1,223,714.12 and 690,231.83 is: 1,036,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,956.44 : 1,223,714.12 = 690,231.83 : x
  2. Step 2: Convert to fraction form
    814,956.44/1,223,714.12 = 690,231.83/x
  3. Step 3: Cross multiply
    814,956.44x = 1,223,714.12 × 690,231.83
  4. Step 4: Simplify right side
    814,956.44x = 844,646,426,874.71
  5. Step 5: Solve for x
    x = 844,646,426,874.71/814,956.44
  6. Step 6: Final answer
    x = 1,036,431.39

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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.