Home / 998,633.34-1,378,114.02-545,924.34

Finding the Fourth Proportional to 998,633.34, 1,378,114.02 and 545,924.34

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Solution

The fourth proportional to 998,633.34, 1,378,114.02 and 545,924.34 is: 753,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,633.34 : 1,378,114.02 = 545,924.34 : x
  2. Step 2: Convert to fraction form
    998,633.34/1,378,114.02 = 545,924.34/x
  3. Step 3: Cross multiply
    998,633.34x = 1,378,114.02 × 545,924.34
  4. Step 4: Simplify right side
    998,633.34x = 752,345,986,813.25
  5. Step 5: Solve for x
    x = 752,345,986,813.25/998,633.34
  6. Step 6: Final answer
    x = 753,375.60

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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.