Home / 364,845.44-503,348.16-221,551.36

Finding the Fourth Proportional to 364,845.44, 503,348.16 and 221,551.36

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Solution

The fourth proportional to 364,845.44, 503,348.16 and 221,551.36 is: 305,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,845.44 : 503,348.16 = 221,551.36 : x
  2. Step 2: Convert to fraction form
    364,845.44/503,348.16 = 221,551.36/x
  3. Step 3: Cross multiply
    364,845.44x = 503,348.16 × 221,551.36
  4. Step 4: Simplify right side
    364,845.44x = 111,517,469,401.50
  5. Step 5: Solve for x
    x = 111,517,469,401.50/364,845.44
  6. Step 6: Final answer
    x = 305,656.74

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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.