Home / 1,247,936.43-1,722,152.39-674,976.63

Finding the Fourth Proportional to 1,247,936.43, 1,722,152.39 and 674,976.63

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Solution

The fourth proportional to 1,247,936.43, 1,722,152.39 and 674,976.63 is: 931,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,936.43 : 1,722,152.39 = 674,976.63 : x
  2. Step 2: Convert to fraction form
    1,247,936.43/1,722,152.39 = 674,976.63/x
  3. Step 3: Cross multiply
    1,247,936.43x = 1,722,152.39 × 674,976.63
  4. Step 4: Simplify right side
    1,247,936.43x = 1,162,412,609,625.33
  5. Step 5: Solve for x
    x = 1,162,412,609,625.33/1,247,936.43
  6. Step 6: Final answer
    x = 931,467.81

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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.