Home / 1,127,067.75-1,555,512.93-697,486.28

Finding the Fourth Proportional to 1,127,067.75, 1,555,512.93 and 697,486.28

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Solution

The fourth proportional to 1,127,067.75, 1,555,512.93 and 697,486.28 is: 962,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,067.75 : 1,555,512.93 = 697,486.28 : x
  2. Step 2: Convert to fraction form
    1,127,067.75/1,555,512.93 = 697,486.28/x
  3. Step 3: Cross multiply
    1,127,067.75x = 1,555,512.93 × 697,486.28
  4. Step 4: Simplify right side
    1,127,067.75x = 1,084,948,919,260.04
  5. Step 5: Solve for x
    x = 1,084,948,919,260.04/1,127,067.75
  6. Step 6: Final answer
    x = 962,629.73

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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.