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Finding the Fourth Proportional to 1,290,852.40, 1,936,019.40 and 616,932.40

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Solution

The fourth proportional to 1,290,852.40, 1,936,019.40 and 616,932.40 is: 925,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,852.40 : 1,936,019.40 = 616,932.40 : x
  2. Step 2: Convert to fraction form
    1,290,852.40/1,936,019.40 = 616,932.40/x
  3. Step 3: Cross multiply
    1,290,852.40x = 1,936,019.40 × 616,932.40
  4. Step 4: Simplify right side
    1,290,852.40x = 1,194,393,094,888.56
  5. Step 5: Solve for x
    x = 1,194,393,094,888.56/1,290,852.40
  6. Step 6: Final answer
    x = 925,274.72

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