Home / 419,650.24-579,110.04-228,665.20

Finding the Fourth Proportional to 419,650.24, 579,110.04 and 228,665.20

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Solution

The fourth proportional to 419,650.24, 579,110.04 and 228,665.20 is: 315,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,650.24 : 579,110.04 = 228,665.20 : x
  2. Step 2: Convert to fraction form
    419,650.24/579,110.04 = 228,665.20/x
  3. Step 3: Cross multiply
    419,650.24x = 579,110.04 × 228,665.20
  4. Step 4: Simplify right side
    419,650.24x = 132,422,313,118.61
  5. Step 5: Solve for x
    x = 132,422,313,118.61/419,650.24
  6. Step 6: Final answer
    x = 315,554.00

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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.