Home / 998,171.22-1,377,616.77-635,479.22

Finding the Fourth Proportional to 998,171.22, 1,377,616.77 and 635,479.22

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Solution

The fourth proportional to 998,171.22, 1,377,616.77 and 635,479.22 is: 877,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,171.22 : 1,377,616.77 = 635,479.22 : x
  2. Step 2: Convert to fraction form
    998,171.22/1,377,616.77 = 635,479.22/x
  3. Step 3: Cross multiply
    998,171.22x = 1,377,616.77 × 635,479.22
  4. Step 4: Simplify right side
    998,171.22x = 875,446,830,458.52
  5. Step 5: Solve for x
    x = 875,446,830,458.52/998,171.22
  6. Step 6: Final answer
    x = 877,050.76

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1.5x scale

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.