Home / 1,760,086.80-2,640,107.90-561,993.92

Finding the Fourth Proportional to 1,760,086.80, 2,640,107.90 and 561,993.92

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Solution

The fourth proportional to 1,760,086.80, 2,640,107.90 and 561,993.92 is: 842,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,086.80 : 2,640,107.90 = 561,993.92 : x
  2. Step 2: Convert to fraction form
    1,760,086.80/2,640,107.90 = 561,993.92/x
  3. Step 3: Cross multiply
    1,760,086.80x = 2,640,107.90 × 561,993.92
  4. Step 4: Simplify right side
    1,760,086.80x = 1,483,724,587,943.97
  5. Step 5: Solve for x
    x = 1,483,724,587,943.97/1,760,086.80
  6. Step 6: Final answer
    x = 842,983.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.