Home / 419,179.11-578,467.25-228,192.45

Finding the Fourth Proportional to 419,179.11, 578,467.25 and 228,192.45

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Solution

The fourth proportional to 419,179.11, 578,467.25 and 228,192.45 is: 314,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,179.11 : 578,467.25 = 228,192.45 : x
  2. Step 2: Convert to fraction form
    419,179.11/578,467.25 = 228,192.45/x
  3. Step 3: Cross multiply
    419,179.11x = 578,467.25 × 228,192.45
  4. Step 4: Simplify right side
    419,179.11x = 132,001,859,022.26
  5. Step 5: Solve for x
    x = 132,001,859,022.26/419,179.11
  6. Step 6: Final answer
    x = 314,905.62

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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.