Home / 1,168,162.11-1,612,078.92-678,246.48

Finding the Fourth Proportional to 1,168,162.11, 1,612,078.92 and 678,246.48

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Solution

The fourth proportional to 1,168,162.11, 1,612,078.92 and 678,246.48 is: 935,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,162.11 : 1,612,078.92 = 678,246.48 : x
  2. Step 2: Convert to fraction form
    1,168,162.11/1,612,078.92 = 678,246.48/x
  3. Step 3: Cross multiply
    1,168,162.11x = 1,612,078.92 × 678,246.48
  4. Step 4: Simplify right side
    1,168,162.11x = 1,093,386,852,972.20
  5. Step 5: Solve for x
    x = 1,093,386,852,972.20/1,168,162.11
  6. Step 6: Final answer
    x = 935,988.97

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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.