Home / 1,231,854.83-1,847,786.54-378,920.69

Finding the Fourth Proportional to 1,231,854.83, 1,847,786.54 and 378,920.69

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Solution

The fourth proportional to 1,231,854.83, 1,847,786.54 and 378,920.69 is: 568,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,854.83 : 1,847,786.54 = 378,920.69 : x
  2. Step 2: Convert to fraction form
    1,231,854.83/1,847,786.54 = 378,920.69/x
  3. Step 3: Cross multiply
    1,231,854.83x = 1,847,786.54 × 378,920.69
  4. Step 4: Simplify right side
    1,231,854.83x = 700,164,550,709.51
  5. Step 5: Solve for x
    x = 700,164,550,709.51/1,231,854.83
  6. Step 6: Final answer
    x = 568,382.36

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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.