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Finding the Fourth Proportional to 1,409,356.30, 1,944,901.83 and 764,760.10

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Solution

The fourth proportional to 1,409,356.30, 1,944,901.83 and 764,760.10 is: 1,055,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,356.30 : 1,944,901.83 = 764,760.10 : x
  2. Step 2: Convert to fraction form
    1,409,356.30/1,944,901.83 = 764,760.10/x
  3. Step 3: Cross multiply
    1,409,356.30x = 1,944,901.83 × 764,760.10
  4. Step 4: Simplify right side
    1,409,356.30x = 1,487,383,318,000.98
  5. Step 5: Solve for x
    x = 1,487,383,318,000.98/1,409,356.30
  6. Step 6: Final answer
    x = 1,055,363.59

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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.