Home / 1,096,168.28-1,512,292.25-666,291.56

Finding the Fourth Proportional to 1,096,168.28, 1,512,292.25 and 666,291.56

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Solution

The fourth proportional to 1,096,168.28, 1,512,292.25 and 666,291.56 is: 919,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,168.28 : 1,512,292.25 = 666,291.56 : x
  2. Step 2: Convert to fraction form
    1,096,168.28/1,512,292.25 = 666,291.56/x
  3. Step 3: Cross multiply
    1,096,168.28x = 1,512,292.25 × 666,291.56
  4. Step 4: Simplify right side
    1,096,168.28x = 1,007,627,562,428.41
  5. Step 5: Solve for x
    x = 1,007,627,562,428.41/1,096,168.28
  6. Step 6: Final answer
    x = 919,227.08

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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.