Home / 791,195.22-1,186,942.59-317,917.62

Finding the Fourth Proportional to 791,195.22, 1,186,942.59 and 317,917.62

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Solution

The fourth proportional to 791,195.22, 1,186,942.59 and 317,917.62 is: 476,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,195.22 : 1,186,942.59 = 317,917.62 : x
  2. Step 2: Convert to fraction form
    791,195.22/1,186,942.59 = 317,917.62/x
  3. Step 3: Cross multiply
    791,195.22x = 1,186,942.59 × 317,917.62
  4. Step 4: Simplify right side
    791,195.22x = 377,349,963,289.44
  5. Step 5: Solve for x
    x = 377,349,963,289.44/791,195.22
  6. Step 6: Final answer
    x = 476,936.61

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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.