Home / 419,096.57-578,353.16-228,111.26

Finding the Fourth Proportional to 419,096.57, 578,353.16 and 228,111.26

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Solution

The fourth proportional to 419,096.57, 578,353.16 and 228,111.26 is: 314,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,096.57 : 578,353.16 = 228,111.26 : x
  2. Step 2: Convert to fraction form
    419,096.57/578,353.16 = 228,111.26/x
  3. Step 3: Cross multiply
    419,096.57x = 578,353.16 × 228,111.26
  4. Step 4: Simplify right side
    419,096.57x = 131,928,865,731.09
  5. Step 5: Solve for x
    x = 131,928,865,731.09/419,096.57
  6. Step 6: Final answer
    x = 314,793.48

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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.