Home / 885,132.12-1,327,693.80-764,822.96

Finding the Fourth Proportional to 885,132.12, 1,327,693.80 and 764,822.96

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Solution

The fourth proportional to 885,132.12, 1,327,693.80 and 764,822.96 is: 1,147,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,132.12 : 1,327,693.80 = 764,822.96 : x
  2. Step 2: Convert to fraction form
    885,132.12/1,327,693.80 = 764,822.96/x
  3. Step 3: Cross multiply
    885,132.12x = 1,327,693.80 × 764,822.96
  4. Step 4: Simplify right side
    885,132.12x = 1,015,450,701,584.77
  5. Step 5: Solve for x
    x = 1,015,450,701,584.77/885,132.12
  6. Step 6: Final answer
    x = 1,147,230.66

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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.