Home / 862,209.08-1,189,436.46-669,906.44

Finding the Fourth Proportional to 862,209.08, 1,189,436.46 and 669,906.44

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Solution

The fourth proportional to 862,209.08, 1,189,436.46 and 669,906.44 is: 924,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,209.08 : 1,189,436.46 = 669,906.44 : x
  2. Step 2: Convert to fraction form
    862,209.08/1,189,436.46 = 669,906.44/x
  3. Step 3: Cross multiply
    862,209.08x = 1,189,436.46 × 669,906.44
  4. Step 4: Simplify right side
    862,209.08x = 796,811,144,524.80
  5. Step 5: Solve for x
    x = 796,811,144,524.80/862,209.08
  6. Step 6: Final answer
    x = 924,150.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.