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Finding the Fourth Proportional to 1,318,892.28, 1,978,649.37 and 1,050,036.83

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Solution

The fourth proportional to 1,318,892.28, 1,978,649.37 and 1,050,036.83 is: 1,575,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,892.28 : 1,978,649.37 = 1,050,036.83 : x
  2. Step 2: Convert to fraction form
    1,318,892.28/1,978,649.37 = 1,050,036.83/x
  3. Step 3: Cross multiply
    1,318,892.28x = 1,978,649.37 × 1,050,036.83
  4. Step 4: Simplify right side
    1,318,892.28x = 2,077,654,712,156.30
  5. Step 5: Solve for x
    x = 2,077,654,712,156.30/1,318,892.28
  6. Step 6: Final answer
    x = 1,575,302.81

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