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Finding the Fourth Proportional to 1,281,648.87, 1,922,664.45 and 471,970.98

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Solution

The fourth proportional to 1,281,648.87, 1,922,664.45 and 471,970.98 is: 708,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,648.87 : 1,922,664.45 = 471,970.98 : x
  2. Step 2: Convert to fraction form
    1,281,648.87/1,922,664.45 = 471,970.98/x
  3. Step 3: Cross multiply
    1,281,648.87x = 1,922,664.45 × 471,970.98
  4. Step 4: Simplify right side
    1,281,648.87x = 907,441,824,677.66
  5. Step 5: Solve for x
    x = 907,441,824,677.66/1,281,648.87
  6. Step 6: Final answer
    x = 708,026.86

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