Home / 1,179,812.44-1,628,266.08-721,195.44

Finding the Fourth Proportional to 1,179,812.44, 1,628,266.08 and 721,195.44

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Solution

The fourth proportional to 1,179,812.44, 1,628,266.08 and 721,195.44 is: 995,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,812.44 : 1,628,266.08 = 721,195.44 : x
  2. Step 2: Convert to fraction form
    1,179,812.44/1,628,266.08 = 721,195.44/x
  3. Step 3: Cross multiply
    1,179,812.44x = 1,628,266.08 × 721,195.44
  4. Step 4: Simplify right side
    1,179,812.44x = 1,174,298,072,002.68
  5. Step 5: Solve for x
    x = 1,174,298,072,002.68/1,179,812.44
  6. Step 6: Final answer
    x = 995,326.06

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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.