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Finding the Fourth Proportional to 1,409,443.58, 1,945,033.41 and 764,863.77

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Solution

The fourth proportional to 1,409,443.58, 1,945,033.41 and 764,863.77 is: 1,055,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,443.58 : 1,945,033.41 = 764,863.77 : x
  2. Step 2: Convert to fraction form
    1,409,443.58/1,945,033.41 = 764,863.77/x
  3. Step 3: Cross multiply
    1,409,443.58x = 1,945,033.41 × 764,863.77
  4. Step 4: Simplify right side
    1,409,443.58x = 1,487,685,592,608.31
  5. Step 5: Solve for x
    x = 1,487,685,592,608.31/1,409,443.58
  6. Step 6: Final answer
    x = 1,055,512.69

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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.