Home / 419,035.04-578,257.26-228,044.33

Finding the Fourth Proportional to 419,035.04, 578,257.26 and 228,044.33

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Solution

The fourth proportional to 419,035.04, 578,257.26 and 228,044.33 is: 314,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,035.04 : 578,257.26 = 228,044.33 : x
  2. Step 2: Convert to fraction form
    419,035.04/578,257.26 = 228,044.33/x
  3. Step 3: Cross multiply
    419,035.04x = 578,257.26 × 228,044.33
  4. Step 4: Simplify right side
    419,035.04x = 131,868,286,533.05
  5. Step 5: Solve for x
    x = 131,868,286,533.05/419,035.04
  6. Step 6: Final answer
    x = 314,695.13

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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.