Home / 394,923.55-592,446.86-128,622.13

Finding the Fourth Proportional to 394,923.55, 592,446.86 and 128,622.13

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Solution

The fourth proportional to 394,923.55, 592,446.86 and 128,622.13 is: 192,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,923.55 : 592,446.86 = 128,622.13 : x
  2. Step 2: Convert to fraction form
    394,923.55/592,446.86 = 128,622.13/x
  3. Step 3: Cross multiply
    394,923.55x = 592,446.86 × 128,622.13
  4. Step 4: Simplify right side
    394,923.55x = 76,201,775,403.12
  5. Step 5: Solve for x
    x = 76,201,775,403.12/394,923.55
  6. Step 6: Final answer
    x = 192,953.23

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