Home / 1,906,082.40-2,858,489.30-768,550.80

Finding the Fourth Proportional to 1,906,082.40, 2,858,489.30 and 768,550.80

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Solution

The fourth proportional to 1,906,082.40, 2,858,489.30 and 768,550.80 is: 1,152,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,082.40 : 2,858,489.30 = 768,550.80 : x
  2. Step 2: Convert to fraction form
    1,906,082.40/2,858,489.30 = 768,550.80/x
  3. Step 3: Cross multiply
    1,906,082.40x = 2,858,489.30 × 768,550.80
  4. Step 4: Simplify right side
    1,906,082.40x = 2,196,894,220,171.24
  5. Step 5: Solve for x
    x = 2,196,894,220,171.24/1,906,082.40
  6. Step 6: Final answer
    x = 1,152,570.44

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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.