Home / 277,571.20-382,806.08-223,840.64

Finding the Fourth Proportional to 277,571.20, 382,806.08 and 223,840.64

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Solution

The fourth proportional to 277,571.20, 382,806.08 and 223,840.64 is: 308,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,571.20 : 382,806.08 = 223,840.64 : x
  2. Step 2: Convert to fraction form
    277,571.20/382,806.08 = 223,840.64/x
  3. Step 3: Cross multiply
    277,571.20x = 382,806.08 × 223,840.64
  4. Step 4: Simplify right side
    277,571.20x = 85,687,557,943.09
  5. Step 5: Solve for x
    x = 85,687,557,943.09/277,571.20
  6. Step 6: Final answer
    x = 308,704.79

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1.5x scale

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.