Home / 1,419,639-2,128,408.74-858,548.76

Finding the Fourth Proportional to 1,419,639, 2,128,408.74 and 858,548.76

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Solution

The fourth proportional to 1,419,639, 2,128,408.74 and 858,548.76 is: 1,287,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,639 : 2,128,408.74 = 858,548.76 : x
  2. Step 2: Convert to fraction form
    1,419,639/2,128,408.74 = 858,548.76/x
  3. Step 3: Cross multiply
    1,419,639x = 2,128,408.74 × 858,548.76
  4. Step 4: Simplify right side
    1,419,639x = 1,827,342,684,500.16
  5. Step 5: Solve for x
    x = 1,827,342,684,500.16/1,419,639
  6. Step 6: Final answer
    x = 1,287,188.28

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