Home / 382,760.37-528,174.95-221,626.33

Finding the Fourth Proportional to 382,760.37, 528,174.95 and 221,626.33

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Solution

The fourth proportional to 382,760.37, 528,174.95 and 221,626.33 is: 305,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,760.37 : 528,174.95 = 221,626.33 : x
  2. Step 2: Convert to fraction form
    382,760.37/528,174.95 = 221,626.33/x
  3. Step 3: Cross multiply
    382,760.37x = 528,174.95 × 221,626.33
  4. Step 4: Simplify right side
    382,760.37x = 117,057,473,337.86
  5. Step 5: Solve for x
    x = 117,057,473,337.86/382,760.37
  6. Step 6: Final answer
    x = 305,824.43

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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.