Home / 792,107.70-1,188,161.55-764,114.10

Finding the Fourth Proportional to 792,107.70, 1,188,161.55 and 764,114.10

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Solution

The fourth proportional to 792,107.70, 1,188,161.55 and 764,114.10 is: 1,146,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,107.70 : 1,188,161.55 = 764,114.10 : x
  2. Step 2: Convert to fraction form
    792,107.70/1,188,161.55 = 764,114.10/x
  3. Step 3: Cross multiply
    792,107.70x = 1,188,161.55 × 764,114.10
  4. Step 4: Simplify right side
    792,107.70x = 907,890,993,432.86
  5. Step 5: Solve for x
    x = 907,890,993,432.86/792,107.70
  6. Step 6: Final answer
    x = 1,146,171.15

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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.