Home / 966,043.20-1,449,064.80-809,745.60

Finding the Fourth Proportional to 966,043.20, 1,449,064.80 and 809,745.60

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Solution

The fourth proportional to 966,043.20, 1,449,064.80 and 809,745.60 is: 1,214,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,043.20 : 1,449,064.80 = 809,745.60 : x
  2. Step 2: Convert to fraction form
    966,043.20/1,449,064.80 = 809,745.60/x
  3. Step 3: Cross multiply
    966,043.20x = 1,449,064.80 × 809,745.60
  4. Step 4: Simplify right side
    966,043.20x = 1,173,373,845,914.88
  5. Step 5: Solve for x
    x = 1,173,373,845,914.88/966,043.20
  6. Step 6: Final answer
    x = 1,214,618.40

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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.