Home / 409,556.64-565,190.94-228,280.23

Finding the Fourth Proportional to 409,556.64, 565,190.94 and 228,280.23

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Solution

The fourth proportional to 409,556.64, 565,190.94 and 228,280.23 is: 315,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,556.64 : 565,190.94 = 228,280.23 : x
  2. Step 2: Convert to fraction form
    409,556.64/565,190.94 = 228,280.23/x
  3. Step 3: Cross multiply
    409,556.64x = 565,190.94 × 228,280.23
  4. Step 4: Simplify right side
    409,556.64x = 129,021,917,777.12
  5. Step 5: Solve for x
    x = 129,021,917,777.12/409,556.64
  6. Step 6: Final answer
    x = 315,028.27

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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.