Home / 998,819.71-1,377,451.96-654,530.59

Finding the Fourth Proportional to 998,819.71, 1,377,451.96 and 654,530.59

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Solution

The fourth proportional to 998,819.71, 1,377,451.96 and 654,530.59 is: 902,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,819.71 : 1,377,451.96 = 654,530.59 : x
  2. Step 2: Convert to fraction form
    998,819.71/1,377,451.96 = 654,530.59/x
  3. Step 3: Cross multiply
    998,819.71x = 1,377,451.96 × 654,530.59
  4. Step 4: Simplify right side
    998,819.71x = 901,584,447,842.68
  5. Step 5: Solve for x
    x = 901,584,447,842.68/998,819.71
  6. Step 6: Final answer
    x = 902,649.84

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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.