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Finding the Fourth Proportional to 1,409,494.24, 1,945,103.34 and 764,914.54

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Solution

The fourth proportional to 1,409,494.24, 1,945,103.34 and 764,914.54 is: 1,055,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,494.24 : 1,945,103.34 = 764,914.54 : x
  2. Step 2: Convert to fraction form
    1,409,494.24/1,945,103.34 = 764,914.54/x
  3. Step 3: Cross multiply
    1,409,494.24x = 1,945,103.34 × 764,914.54
  4. Step 4: Simplify right side
    1,409,494.24x = 1,487,837,826,568.56
  5. Step 5: Solve for x
    x = 1,487,837,826,568.56/1,409,494.24
  6. Step 6: Final answer
    x = 1,055,582.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.