Home / 1,275,961.06-1,760,857.96-785,745

Finding the Fourth Proportional to 1,275,961.06, 1,760,857.96 and 785,745

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Solution

The fourth proportional to 1,275,961.06, 1,760,857.96 and 785,745 is: 1,084,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,961.06 : 1,760,857.96 = 785,745 : x
  2. Step 2: Convert to fraction form
    1,275,961.06/1,760,857.96 = 785,745/x
  3. Step 3: Cross multiply
    1,275,961.06x = 1,760,857.96 × 785,745
  4. Step 4: Simplify right side
    1,275,961.06x = 1,383,585,337,780.20
  5. Step 5: Solve for x
    x = 1,383,585,337,780.20/1,275,961.06
  6. Step 6: Final answer
    x = 1,084,347.62

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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.