Home / 419,033.54-578,255.19-228,042.83

Finding the Fourth Proportional to 419,033.54, 578,255.19 and 228,042.83

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Solution

The fourth proportional to 419,033.54, 578,255.19 and 228,042.83 is: 314,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,033.54 : 578,255.19 = 228,042.83 : x
  2. Step 2: Convert to fraction form
    419,033.54/578,255.19 = 228,042.83/x
  3. Step 3: Cross multiply
    419,033.54x = 578,255.19 × 228,042.83
  4. Step 4: Simplify right side
    419,033.54x = 131,866,949,989.79
  5. Step 5: Solve for x
    x = 131,866,949,989.79/419,033.54
  6. Step 6: Final answer
    x = 314,693.07

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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.