Home / 809,675.24-1,213,183.53-276,905.60

Finding the Fourth Proportional to 809,675.24, 1,213,183.53 and 276,905.60

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Solution

The fourth proportional to 809,675.24, 1,213,183.53 and 276,905.60 is: 414,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,675.24 : 1,213,183.53 = 276,905.60 : x
  2. Step 2: Convert to fraction form
    809,675.24/1,213,183.53 = 276,905.60/x
  3. Step 3: Cross multiply
    809,675.24x = 1,213,183.53 × 276,905.60
  4. Step 4: Simplify right side
    809,675.24x = 335,937,313,284.77
  5. Step 5: Solve for x
    x = 335,937,313,284.77/809,675.24
  6. Step 6: Final answer
    x = 414,903.77

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1.5x scale

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.