Home / 725,679.21-1,088,376.66-689,673.09

Finding the Fourth Proportional to 725,679.21, 1,088,376.66 and 689,673.09

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Solution

The fourth proportional to 725,679.21, 1,088,376.66 and 689,673.09 is: 1,034,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,679.21 : 1,088,376.66 = 689,673.09 : x
  2. Step 2: Convert to fraction form
    725,679.21/1,088,376.66 = 689,673.09/x
  3. Step 3: Cross multiply
    725,679.21x = 1,088,376.66 × 689,673.09
  4. Step 4: Simplify right side
    725,679.21x = 750,624,094,186.08
  5. Step 5: Solve for x
    x = 750,624,094,186.08/725,679.21
  6. Step 6: Final answer
    x = 1,034,374.53

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