Home / 792,116.70-1,188,175.05-764,123.10

Finding the Fourth Proportional to 792,116.70, 1,188,175.05 and 764,123.10

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Solution

The fourth proportional to 792,116.70, 1,188,175.05 and 764,123.10 is: 1,146,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,116.70 : 1,188,175.05 = 764,123.10 : x
  2. Step 2: Convert to fraction form
    792,116.70/1,188,175.05 = 764,123.10/x
  3. Step 3: Cross multiply
    792,116.70x = 1,188,175.05 × 764,123.10
  4. Step 4: Simplify right side
    792,116.70x = 907,912,002,548.66
  5. Step 5: Solve for x
    x = 907,912,002,548.66/792,116.70
  6. Step 6: Final answer
    x = 1,146,184.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.