Home / 1,236,122.88-1,854,473.49-383,149.86

Finding the Fourth Proportional to 1,236,122.88, 1,854,473.49 and 383,149.86

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Solution

The fourth proportional to 1,236,122.88, 1,854,473.49 and 383,149.86 is: 574,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,122.88 : 1,854,473.49 = 383,149.86 : x
  2. Step 2: Convert to fraction form
    1,236,122.88/1,854,473.49 = 383,149.86/x
  3. Step 3: Cross multiply
    1,236,122.88x = 1,854,473.49 × 383,149.86
  4. Step 4: Simplify right side
    1,236,122.88x = 710,541,258,067.21
  5. Step 5: Solve for x
    x = 710,541,258,067.21/1,236,122.88
  6. Step 6: Final answer
    x = 574,814.42

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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.