Home / 998,187.75-1,377,400.37-611,112.29

Finding the Fourth Proportional to 998,187.75, 1,377,400.37 and 611,112.29

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Solution

The fourth proportional to 998,187.75, 1,377,400.37 and 611,112.29 is: 843,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,187.75 : 1,377,400.37 = 611,112.29 : x
  2. Step 2: Convert to fraction form
    998,187.75/1,377,400.37 = 611,112.29/x
  3. Step 3: Cross multiply
    998,187.75x = 1,377,400.37 × 611,112.29
  4. Step 4: Simplify right side
    998,187.75x = 841,746,284,414.98
  5. Step 5: Solve for x
    x = 841,746,284,414.98/998,187.75
  6. Step 6: Final answer
    x = 843,274.51

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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.