Home / 419,584.25-579,026.32-228,597.64

Finding the Fourth Proportional to 419,584.25, 579,026.32 and 228,597.64

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Solution

The fourth proportional to 419,584.25, 579,026.32 and 228,597.64 is: 315,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,584.25 : 579,026.32 = 228,597.64 : x
  2. Step 2: Convert to fraction form
    419,584.25/579,026.32 = 228,597.64/x
  3. Step 3: Cross multiply
    419,584.25x = 579,026.32 × 228,597.64
  4. Step 4: Simplify right side
    419,584.25x = 132,364,050,249.89
  5. Step 5: Solve for x
    x = 132,364,050,249.89/419,584.25
  6. Step 6: Final answer
    x = 315,464.77

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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.