Home / 921,467.37-1,382,388.98-522,286.41

Finding the Fourth Proportional to 921,467.37, 1,382,388.98 and 522,286.41

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Solution

The fourth proportional to 921,467.37, 1,382,388.98 and 522,286.41 is: 783,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,467.37 : 1,382,388.98 = 522,286.41 : x
  2. Step 2: Convert to fraction form
    921,467.37/1,382,388.98 = 522,286.41/x
  3. Step 3: Cross multiply
    921,467.37x = 1,382,388.98 × 522,286.41
  4. Step 4: Simplify right side
    921,467.37x = 722,002,974,976.33
  5. Step 5: Solve for x
    x = 722,002,974,976.33/921,467.37
  6. Step 6: Final answer
    x = 783,536.13

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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.