Home / 1,114,712.91-1,538,306.79-655,844.76

Finding the Fourth Proportional to 1,114,712.91, 1,538,306.79 and 655,844.76

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Solution

The fourth proportional to 1,114,712.91, 1,538,306.79 and 655,844.76 is: 905,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,712.91 : 1,538,306.79 = 655,844.76 : x
  2. Step 2: Convert to fraction form
    1,114,712.91/1,538,306.79 = 655,844.76/x
  3. Step 3: Cross multiply
    1,114,712.91x = 1,538,306.79 × 655,844.76
  4. Step 4: Simplify right side
    1,114,712.91x = 1,008,890,447,493.92
  5. Step 5: Solve for x
    x = 1,008,890,447,493.92/1,114,712.91
  6. Step 6: Final answer
    x = 905,067.52

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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.