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Finding the Fourth Proportional to 1,278,842.62, 1,764,802.92 and 705,882.94

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Solution

The fourth proportional to 1,278,842.62, 1,764,802.92 and 705,882.94 is: 974,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,842.62 : 1,764,802.92 = 705,882.94 : x
  2. Step 2: Convert to fraction form
    1,278,842.62/1,764,802.92 = 705,882.94/x
  3. Step 3: Cross multiply
    1,278,842.62x = 1,764,802.92 × 705,882.94
  4. Step 4: Simplify right side
    1,278,842.62x = 1,245,744,273,690.18
  5. Step 5: Solve for x
    x = 1,245,744,273,690.18/1,278,842.62
  6. Step 6: Final answer
    x = 974,118.51

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