Home / 1,096,164.27-1,512,286.74-666,287.55

Finding the Fourth Proportional to 1,096,164.27, 1,512,286.74 and 666,287.55

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Solution

The fourth proportional to 1,096,164.27, 1,512,286.74 and 666,287.55 is: 919,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,164.27 : 1,512,286.74 = 666,287.55 : x
  2. Step 2: Convert to fraction form
    1,096,164.27/1,512,286.74 = 666,287.55/x
  3. Step 3: Cross multiply
    1,096,164.27x = 1,512,286.74 × 666,287.55
  4. Step 4: Simplify right side
    1,096,164.27x = 1,007,617,826,892.09
  5. Step 5: Solve for x
    x = 1,007,617,826,892.09/1,096,164.27
  6. Step 6: Final answer
    x = 919,221.56

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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.