Home / 1,109,616.84-1,664,951.63-768,584.57

Finding the Fourth Proportional to 1,109,616.84, 1,664,951.63 and 768,584.57

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Solution

The fourth proportional to 1,109,616.84, 1,664,951.63 and 768,584.57 is: 1,153,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,616.84 : 1,664,951.63 = 768,584.57 : x
  2. Step 2: Convert to fraction form
    1,109,616.84/1,664,951.63 = 768,584.57/x
  3. Step 3: Cross multiply
    1,109,616.84x = 1,664,951.63 × 768,584.57
  4. Step 4: Simplify right side
    1,109,616.84x = 1,279,656,120,446.67
  5. Step 5: Solve for x
    x = 1,279,656,120,446.67/1,109,616.84
  6. Step 6: Final answer
    x = 1,153,241.44

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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.