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Finding the Fourth Proportional to 1,314,576.60, 1,971,929.70 and 684,720.60

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Solution

The fourth proportional to 1,314,576.60, 1,971,929.70 and 684,720.60 is: 1,027,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,576.60 : 1,971,929.70 = 684,720.60 : x
  2. Step 2: Convert to fraction form
    1,314,576.60/1,971,929.70 = 684,720.60/x
  3. Step 3: Cross multiply
    1,314,576.60x = 1,971,929.70 × 684,720.60
  4. Step 4: Simplify right side
    1,314,576.60x = 1,350,220,887,341.82
  5. Step 5: Solve for x
    x = 1,350,220,887,341.82/1,314,576.60
  6. Step 6: Final answer
    x = 1,027,114.65

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