Home / 986,790.13-1,361,796.92-599,473.78

Finding the Fourth Proportional to 986,790.13, 1,361,796.92 and 599,473.78

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Solution

The fourth proportional to 986,790.13, 1,361,796.92 and 599,473.78 is: 827,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,790.13 : 1,361,796.92 = 599,473.78 : x
  2. Step 2: Convert to fraction form
    986,790.13/1,361,796.92 = 599,473.78/x
  3. Step 3: Cross multiply
    986,790.13x = 1,361,796.92 × 599,473.78
  4. Step 4: Simplify right side
    986,790.13x = 816,361,547,224.76
  5. Step 5: Solve for x
    x = 816,361,547,224.76/986,790.13
  6. Step 6: Final answer
    x = 827,289.94

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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.