Home / 1,231,856.83-1,847,789.54-378,922.69

Finding the Fourth Proportional to 1,231,856.83, 1,847,789.54 and 378,922.69

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Solution

The fourth proportional to 1,231,856.83, 1,847,789.54 and 378,922.69 is: 568,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,856.83 : 1,847,789.54 = 378,922.69 : x
  2. Step 2: Convert to fraction form
    1,231,856.83/1,847,789.54 = 378,922.69/x
  3. Step 3: Cross multiply
    1,231,856.83x = 1,847,789.54 × 378,922.69
  4. Step 4: Simplify right side
    1,231,856.83x = 700,169,383,050.66
  5. Step 5: Solve for x
    x = 700,169,383,050.66/1,231,856.83
  6. Step 6: Final answer
    x = 568,385.36

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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.