Home / 1,382,977.30-1,908,634.62-839,251.44

Finding the Fourth Proportional to 1,382,977.30, 1,908,634.62 and 839,251.44

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Solution

The fourth proportional to 1,382,977.30, 1,908,634.62 and 839,251.44 is: 1,158,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,977.30 : 1,908,634.62 = 839,251.44 : x
  2. Step 2: Convert to fraction form
    1,382,977.30/1,908,634.62 = 839,251.44/x
  3. Step 3: Cross multiply
    1,382,977.30x = 1,908,634.62 × 839,251.44
  4. Step 4: Simplify right side
    1,382,977.30x = 1,601,824,353,268.85
  5. Step 5: Solve for x
    x = 1,601,824,353,268.85/1,382,977.30
  6. Step 6: Final answer
    x = 1,158,243.42

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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.