Home / 1,691,843.24-2,538,429.06-744,549.46

Finding the Fourth Proportional to 1,691,843.24, 2,538,429.06 and 744,549.46

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Solution

The fourth proportional to 1,691,843.24, 2,538,429.06 and 744,549.46 is: 1,117,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,843.24 : 2,538,429.06 = 744,549.46 : x
  2. Step 2: Convert to fraction form
    1,691,843.24/2,538,429.06 = 744,549.46/x
  3. Step 3: Cross multiply
    1,691,843.24x = 2,538,429.06 × 744,549.46
  4. Step 4: Simplify right side
    1,691,843.24x = 1,889,985,985,871.31
  5. Step 5: Solve for x
    x = 1,889,985,985,871.31/1,691,843.24
  6. Step 6: Final answer
    x = 1,117,116.49

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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.