Home / 986,873.22-1,361,911.59-599,556.78

Finding the Fourth Proportional to 986,873.22, 1,361,911.59 and 599,556.78

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Solution

The fourth proportional to 986,873.22, 1,361,911.59 and 599,556.78 is: 827,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,873.22 : 1,361,911.59 = 599,556.78 : x
  2. Step 2: Convert to fraction form
    986,873.22/1,361,911.59 = 599,556.78/x
  3. Step 3: Cross multiply
    986,873.22x = 1,361,911.59 × 599,556.78
  4. Step 4: Simplify right side
    986,873.22x = 816,543,327,545.08
  5. Step 5: Solve for x
    x = 816,543,327,545.08/986,873.22
  6. Step 6: Final answer
    x = 827,404.48

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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.