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Finding the Fourth Proportional to 1,836,539.20, 2,754,808.80 and 986,233.60

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Solution

The fourth proportional to 1,836,539.20, 2,754,808.80 and 986,233.60 is: 1,479,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,539.20 : 2,754,808.80 = 986,233.60 : x
  2. Step 2: Convert to fraction form
    1,836,539.20/2,754,808.80 = 986,233.60/x
  3. Step 3: Cross multiply
    1,836,539.20x = 2,754,808.80 × 986,233.60
  4. Step 4: Simplify right side
    1,836,539.20x = 2,716,885,000,135.68
  5. Step 5: Solve for x
    x = 2,716,885,000,135.68/1,836,539.20
  6. Step 6: Final answer
    x = 1,479,350.40

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