Home / 419,244.46-578,556.48-228,256.18

Finding the Fourth Proportional to 419,244.46, 578,556.48 and 228,256.18

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Solution

The fourth proportional to 419,244.46, 578,556.48 and 228,256.18 is: 314,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,244.46 : 578,556.48 = 228,256.18 : x
  2. Step 2: Convert to fraction form
    419,244.46/578,556.48 = 228,256.18/x
  3. Step 3: Cross multiply
    419,244.46x = 578,556.48 × 228,256.18
  4. Step 4: Simplify right side
    419,244.46x = 132,059,092,039.05
  5. Step 5: Solve for x
    x = 132,059,092,039.05/419,244.46
  6. Step 6: Final answer
    x = 314,993.05

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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.