Home / 1,108,321.44-1,528,462.94-699,713.28

Finding the Fourth Proportional to 1,108,321.44, 1,528,462.94 and 699,713.28

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Solution

The fourth proportional to 1,108,321.44, 1,528,462.94 and 699,713.28 is: 964,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,321.44 : 1,528,462.94 = 699,713.28 : x
  2. Step 2: Convert to fraction form
    1,108,321.44/1,528,462.94 = 699,713.28/x
  3. Step 3: Cross multiply
    1,108,321.44x = 1,528,462.94 × 699,713.28
  4. Step 4: Simplify right side
    1,108,321.44x = 1,069,485,817,105.84
  5. Step 5: Solve for x
    x = 1,069,485,817,105.84/1,108,321.44
  6. Step 6: Final answer
    x = 964,959.96

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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.