Home / 1,204,136.70-1,661,783.19-667,592.70

Finding the Fourth Proportional to 1,204,136.70, 1,661,783.19 and 667,592.70

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Solution

The fourth proportional to 1,204,136.70, 1,661,783.19 and 667,592.70 is: 921,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,136.70 : 1,661,783.19 = 667,592.70 : x
  2. Step 2: Convert to fraction form
    1,204,136.70/1,661,783.19 = 667,592.70/x
  3. Step 3: Cross multiply
    1,204,136.70x = 1,661,783.19 × 667,592.70
  4. Step 4: Simplify right side
    1,204,136.70x = 1,109,394,326,626.71
  5. Step 5: Solve for x
    x = 1,109,394,326,626.71/1,204,136.70
  6. Step 6: Final answer
    x = 921,319.25

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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.