Home / 998,097.59-1,377,378.26-545,388.59

Finding the Fourth Proportional to 998,097.59, 1,377,378.26 and 545,388.59

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Solution

The fourth proportional to 998,097.59, 1,377,378.26 and 545,388.59 is: 752,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,097.59 : 1,377,378.26 = 545,388.59 : x
  2. Step 2: Convert to fraction form
    998,097.59/1,377,378.26 = 545,388.59/x
  3. Step 3: Cross multiply
    998,097.59x = 1,377,378.26 × 545,388.59
  4. Step 4: Simplify right side
    998,097.59x = 751,206,387,118.05
  5. Step 5: Solve for x
    x = 751,206,387,118.05/998,097.59
  6. Step 6: Final answer
    x = 752,638.21

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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.