Home / 792,110.30-1,188,165.45-764,116.70

Finding the Fourth Proportional to 792,110.30, 1,188,165.45 and 764,116.70

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Solution

The fourth proportional to 792,110.30, 1,188,165.45 and 764,116.70 is: 1,146,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,110.30 : 1,188,165.45 = 764,116.70 : x
  2. Step 2: Convert to fraction form
    792,110.30/1,188,165.45 = 764,116.70/x
  3. Step 3: Cross multiply
    792,110.30x = 1,188,165.45 × 764,116.70
  4. Step 4: Simplify right side
    792,110.30x = 907,897,062,708.02
  5. Step 5: Solve for x
    x = 907,897,062,708.02/792,110.30
  6. Step 6: Final answer
    x = 1,146,175.05

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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.