Home / 680,186.35-1,022,120.97-364,869.55

Finding the Fourth Proportional to 680,186.35, 1,022,120.97 and 364,869.55

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Solution

The fourth proportional to 680,186.35, 1,022,120.97 and 364,869.55 is: 548,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,186.35 : 1,022,120.97 = 364,869.55 : x
  2. Step 2: Convert to fraction form
    680,186.35/1,022,120.97 = 364,869.55/x
  3. Step 3: Cross multiply
    680,186.35x = 1,022,120.97 × 364,869.55
  4. Step 4: Simplify right side
    680,186.35x = 372,940,818,369.46
  5. Step 5: Solve for x
    x = 372,940,818,369.46/680,186.35
  6. Step 6: Final answer
    x = 548,292.12

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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.