Home / 456,117.60-684,176.40-231,391.20

Finding the Fourth Proportional to 456,117.60, 684,176.40 and 231,391.20

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Solution

The fourth proportional to 456,117.60, 684,176.40 and 231,391.20 is: 347,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,117.60 : 684,176.40 = 231,391.20 : x
  2. Step 2: Convert to fraction form
    456,117.60/684,176.40 = 231,391.20/x
  3. Step 3: Cross multiply
    456,117.60x = 684,176.40 × 231,391.20
  4. Step 4: Simplify right side
    456,117.60x = 158,312,398,207.68
  5. Step 5: Solve for x
    x = 158,312,398,207.68/456,117.60
  6. Step 6: Final answer
    x = 347,086.80

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