Home / 998,243.68-1,377,576.84-545,534.64

Finding the Fourth Proportional to 998,243.68, 1,377,576.84 and 545,534.64

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Solution

The fourth proportional to 998,243.68, 1,377,576.84 and 545,534.64 is: 752,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,243.68 : 1,377,576.84 = 545,534.64 : x
  2. Step 2: Convert to fraction form
    998,243.68/1,377,576.84 = 545,534.64/x
  3. Step 3: Cross multiply
    998,243.68x = 1,377,576.84 × 545,534.64
  4. Step 4: Simplify right side
    998,243.68x = 751,515,885,481.74
  5. Step 5: Solve for x
    x = 751,515,885,481.74/998,243.68
  6. Step 6: Final answer
    x = 752,838.11

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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.