Home / 1,175,691.60-1,622,581.28-666,339.28

Finding the Fourth Proportional to 1,175,691.60, 1,622,581.28 and 666,339.28

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Solution

The fourth proportional to 1,175,691.60, 1,622,581.28 and 666,339.28 is: 919,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,691.60 : 1,622,581.28 = 666,339.28 : x
  2. Step 2: Convert to fraction form
    1,175,691.60/1,622,581.28 = 666,339.28/x
  3. Step 3: Cross multiply
    1,175,691.60x = 1,622,581.28 × 666,339.28
  4. Step 4: Simplify right side
    1,175,691.60x = 1,081,189,641,856.68
  5. Step 5: Solve for x
    x = 1,081,189,641,856.68/1,175,691.60
  6. Step 6: Final answer
    x = 919,620.11

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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.