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Finding the Fourth Proportional to 994,860.60, 1,489,958.10 and 677,599.80

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Solution

The fourth proportional to 994,860.60, 1,489,958.10 and 677,599.80 is: 1,014,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,860.60 : 1,489,958.10 = 677,599.80 : x
  2. Step 2: Convert to fraction form
    994,860.60/1,489,958.10 = 677,599.80/x
  3. Step 3: Cross multiply
    994,860.60x = 1,489,958.10 × 677,599.80
  4. Step 4: Simplify right side
    994,860.60x = 1,009,595,310,568.38
  5. Step 5: Solve for x
    x = 1,009,595,310,568.38/994,860.60
  6. Step 6: Final answer
    x = 1,014,810.83

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Why These Related Problems?

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