Home / 1,238,067.36-1,857,101.64-817,244.88

Finding the Fourth Proportional to 1,238,067.36, 1,857,101.64 and 817,244.88

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Solution

The fourth proportional to 1,238,067.36, 1,857,101.64 and 817,244.88 is: 1,225,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,067.36 : 1,857,101.64 = 817,244.88 : x
  2. Step 2: Convert to fraction form
    1,238,067.36/1,857,101.64 = 817,244.88/x
  3. Step 3: Cross multiply
    1,238,067.36x = 1,857,101.64 × 817,244.88
  4. Step 4: Simplify right side
    1,238,067.36x = 1,517,706,806,929.60
  5. Step 5: Solve for x
    x = 1,517,706,806,929.60/1,238,067.36
  6. Step 6: Final answer
    x = 1,225,867.72

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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.