Home / 1,435,623.85-1,981,249.17-791,043.88

Finding the Fourth Proportional to 1,435,623.85, 1,981,249.17 and 791,043.88

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Solution

The fourth proportional to 1,435,623.85, 1,981,249.17 and 791,043.88 is: 1,091,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,623.85 : 1,981,249.17 = 791,043.88 : x
  2. Step 2: Convert to fraction form
    1,435,623.85/1,981,249.17 = 791,043.88/x
  3. Step 3: Cross multiply
    1,435,623.85x = 1,981,249.17 × 791,043.88
  4. Step 4: Simplify right side
    1,435,623.85x = 1,567,255,016,822.11
  5. Step 5: Solve for x
    x = 1,567,255,016,822.11/1,435,623.85
  6. Step 6: Final answer
    x = 1,091,689.18

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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.