Home / 364,778.88-503,403.30-228,818.55

Finding the Fourth Proportional to 364,778.88, 503,403.30 and 228,818.55

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Solution

The fourth proportional to 364,778.88, 503,403.30 and 228,818.55 is: 315,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,778.88 : 503,403.30 = 228,818.55 : x
  2. Step 2: Convert to fraction form
    364,778.88/503,403.30 = 228,818.55/x
  3. Step 3: Cross multiply
    364,778.88x = 503,403.30 × 228,818.55
  4. Step 4: Simplify right side
    364,778.88x = 115,188,013,171.22
  5. Step 5: Solve for x
    x = 115,188,013,171.22/364,778.88
  6. Step 6: Final answer
    x = 315,774.90

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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.