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Finding the Fourth Proportional to 1,263,958.64, 1,895,552.40 and 664,594.64

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Solution

The fourth proportional to 1,263,958.64, 1,895,552.40 and 664,594.64 is: 996,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,958.64 : 1,895,552.40 = 664,594.64 : x
  2. Step 2: Convert to fraction form
    1,263,958.64/1,895,552.40 = 664,594.64/x
  3. Step 3: Cross multiply
    1,263,958.64x = 1,895,552.40 × 664,594.64
  4. Step 4: Simplify right side
    1,263,958.64x = 1,259,773,964,879.14
  5. Step 5: Solve for x
    x = 1,259,773,964,879.14/1,263,958.64
  6. Step 6: Final answer
    x = 996,689.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.