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Finding the Fourth Proportional to 1,235,700.80, 1,853,551.20 and 986,868.80

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Solution

The fourth proportional to 1,235,700.80, 1,853,551.20 and 986,868.80 is: 1,480,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,700.80 : 1,853,551.20 = 986,868.80 : x
  2. Step 2: Convert to fraction form
    1,235,700.80/1,853,551.20 = 986,868.80/x
  3. Step 3: Cross multiply
    1,235,700.80x = 1,853,551.20 × 986,868.80
  4. Step 4: Simplify right side
    1,235,700.80x = 1,829,211,848,482.56
  5. Step 5: Solve for x
    x = 1,829,211,848,482.56/1,235,700.80
  6. Step 6: Final answer
    x = 1,480,303.20

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