Home / 1,100,754.30-1,517,634.72-712,884.36

Finding the Fourth Proportional to 1,100,754.30, 1,517,634.72 and 712,884.36

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Solution

The fourth proportional to 1,100,754.30, 1,517,634.72 and 712,884.36 is: 982,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,754.30 : 1,517,634.72 = 712,884.36 : x
  2. Step 2: Convert to fraction form
    1,100,754.30/1,517,634.72 = 712,884.36/x
  3. Step 3: Cross multiply
    1,100,754.30x = 1,517,634.72 × 712,884.36
  4. Step 4: Simplify right side
    1,100,754.30x = 1,081,898,056,080.98
  5. Step 5: Solve for x
    x = 1,081,898,056,080.98/1,100,754.30
  6. Step 6: Final answer
    x = 982,869.71

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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.