Home / 998,592.30-1,378,065.72-568,865.70

Finding the Fourth Proportional to 998,592.30, 1,378,065.72 and 568,865.70

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Solution

The fourth proportional to 998,592.30, 1,378,065.72 and 568,865.70 is: 785,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,592.30 : 1,378,065.72 = 568,865.70 : x
  2. Step 2: Convert to fraction form
    998,592.30/1,378,065.72 = 568,865.70/x
  3. Step 3: Cross multiply
    998,592.30x = 1,378,065.72 × 568,865.70
  4. Step 4: Simplify right side
    998,592.30x = 783,934,320,453.80
  5. Step 5: Solve for x
    x = 783,934,320,453.80/998,592.30
  6. Step 6: Final answer
    x = 785,039.42

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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.