Home / 986,430.24-1,361,127.78-599,044.20

Finding the Fourth Proportional to 986,430.24, 1,361,127.78 and 599,044.20

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Solution

The fourth proportional to 986,430.24, 1,361,127.78 and 599,044.20 is: 826,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,430.24 : 1,361,127.78 = 599,044.20 : x
  2. Step 2: Convert to fraction form
    986,430.24/1,361,127.78 = 599,044.20/x
  3. Step 3: Cross multiply
    986,430.24x = 1,361,127.78 × 599,044.20
  4. Step 4: Simplify right side
    986,430.24x = 815,375,702,067.88
  5. Step 5: Solve for x
    x = 815,375,702,067.88/986,430.24
  6. Step 6: Final answer
    x = 826,592.36

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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.