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Finding the Fourth Proportional to 750,518.68, 1,035,695.70 and 428,222.92

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Solution

The fourth proportional to 750,518.68, 1,035,695.70 and 428,222.92 is: 590,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,518.68 : 1,035,695.70 = 428,222.92 : x
  2. Step 2: Convert to fraction form
    750,518.68/1,035,695.70 = 428,222.92/x
  3. Step 3: Cross multiply
    750,518.68x = 1,035,695.70 × 428,222.92
  4. Step 4: Simplify right side
    750,518.68x = 443,508,636,885.44
  5. Step 5: Solve for x
    x = 443,508,636,885.44/750,518.68
  6. Step 6: Final answer
    x = 590,936.17

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