Home / 986,808.80-1,361,371.57-579,035.36

Finding the Fourth Proportional to 986,808.80, 1,361,371.57 and 579,035.36

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Solution

The fourth proportional to 986,808.80, 1,361,371.57 and 579,035.36 is: 798,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,808.80 : 1,361,371.57 = 579,035.36 : x
  2. Step 2: Convert to fraction form
    986,808.80/1,361,371.57 = 579,035.36/x
  3. Step 3: Cross multiply
    986,808.80x = 1,361,371.57 × 579,035.36
  4. Step 4: Simplify right side
    986,808.80x = 788,282,268,874.27
  5. Step 5: Solve for x
    x = 788,282,268,874.27/986,808.80
  6. Step 6: Final answer
    x = 798,819.66

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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.