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Finding the Fourth Proportional to 6,409,921.91, 8,846,534.61 and 3,655,978.07

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Solution

The fourth proportional to 6,409,921.91, 8,846,534.61 and 3,655,978.07 is: 5,045,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,921.91 : 8,846,534.61 = 3,655,978.07 : x
  2. Step 2: Convert to fraction form
    6,409,921.91/8,846,534.61 = 3,655,978.07/x
  3. Step 3: Cross multiply
    6,409,921.91x = 8,846,534.61 × 3,655,978.07
  4. Step 4: Simplify right side
    6,409,921.91x = 32,342,736,485,423.33
  5. Step 5: Solve for x
    x = 32,342,736,485,423.33/6,409,921.91
  6. Step 6: Final answer
    x = 5,045,730.19

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