Home / 998,943.92-1,498,166.46-391,855.62

Finding the Fourth Proportional to 998,943.92, 1,498,166.46 and 391,855.62

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Solution

The fourth proportional to 998,943.92, 1,498,166.46 and 391,855.62 is: 587,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,943.92 : 1,498,166.46 = 391,855.62 : x
  2. Step 2: Convert to fraction form
    998,943.92/1,498,166.46 = 391,855.62/x
  3. Step 3: Cross multiply
    998,943.92x = 1,498,166.46 × 391,855.62
  4. Step 4: Simplify right side
    998,943.92x = 587,064,947,046.51
  5. Step 5: Solve for x
    x = 587,064,947,046.51/998,943.92
  6. Step 6: Final answer
    x = 587,685.59

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1.5x scale

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.