Home / 637,845.40-956,883.30-263,906.20

Finding the Fourth Proportional to 637,845.40, 956,883.30 and 263,906.20

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Solution

The fourth proportional to 637,845.40, 956,883.30 and 263,906.20 is: 395,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,845.40 : 956,883.30 = 263,906.20 : x
  2. Step 2: Convert to fraction form
    637,845.40/956,883.30 = 263,906.20/x
  3. Step 3: Cross multiply
    637,845.40x = 956,883.30 × 263,906.20
  4. Step 4: Simplify right side
    637,845.40x = 252,527,435,546.46
  5. Step 5: Solve for x
    x = 252,527,435,546.46/637,845.40
  6. Step 6: Final answer
    x = 395,906.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.