Home / 641,180.58-884,855.25-354,695.73

Finding the Fourth Proportional to 641,180.58, 884,855.25 and 354,695.73

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Solution

The fourth proportional to 641,180.58, 884,855.25 and 354,695.73 is: 489,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,180.58 : 884,855.25 = 354,695.73 : x
  2. Step 2: Convert to fraction form
    641,180.58/884,855.25 = 354,695.73/x
  3. Step 3: Cross multiply
    641,180.58x = 884,855.25 × 354,695.73
  4. Step 4: Simplify right side
    641,180.58x = 313,854,378,843.08
  5. Step 5: Solve for x
    x = 313,854,378,843.08/641,180.58
  6. Step 6: Final answer
    x = 489,494.52

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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.