Home / 331,622.20-457,985.98-228,524.46

Finding the Fourth Proportional to 331,622.20, 457,985.98 and 228,524.46

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Solution

The fourth proportional to 331,622.20, 457,985.98 and 228,524.46 is: 315,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,622.20 : 457,985.98 = 228,524.46 : x
  2. Step 2: Convert to fraction form
    331,622.20/457,985.98 = 228,524.46/x
  3. Step 3: Cross multiply
    331,622.20x = 457,985.98 × 228,524.46
  4. Step 4: Simplify right side
    331,622.20x = 104,660,998,767.07
  5. Step 5: Solve for x
    x = 104,660,998,767.07/331,622.20
  6. Step 6: Final answer
    x = 315,603.11

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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.