Home / 409,559.11-565,194.19-228,282.55

Finding the Fourth Proportional to 409,559.11, 565,194.19 and 228,282.55

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Solution

The fourth proportional to 409,559.11, 565,194.19 and 228,282.55 is: 315,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,559.11 : 565,194.19 = 228,282.55 : x
  2. Step 2: Convert to fraction form
    409,559.11/565,194.19 = 228,282.55/x
  3. Step 3: Cross multiply
    409,559.11x = 565,194.19 × 228,282.55
  4. Step 4: Simplify right side
    409,559.11x = 129,023,968,954.69
  5. Step 5: Solve for x
    x = 129,023,968,954.69/409,559.11
  6. Step 6: Final answer
    x = 315,031.38

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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.