Home / 419,583.25-579,024.94-228,596.64

Finding the Fourth Proportional to 419,583.25, 579,024.94 and 228,596.64

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Solution

The fourth proportional to 419,583.25, 579,024.94 and 228,596.64 is: 315,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,583.25 : 579,024.94 = 228,596.64 : x
  2. Step 2: Convert to fraction form
    419,583.25/579,024.94 = 228,596.64/x
  3. Step 3: Cross multiply
    419,583.25x = 579,024.94 × 228,596.64
  4. Step 4: Simplify right side
    419,583.25x = 132,363,153,445.99
  5. Step 5: Solve for x
    x = 132,363,153,445.99/419,583.25
  6. Step 6: Final answer
    x = 315,463.39

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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.