Home / 637,839.40-956,874.30-263,900.20

Finding the Fourth Proportional to 637,839.40, 956,874.30 and 263,900.20

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Solution

The fourth proportional to 637,839.40, 956,874.30 and 263,900.20 is: 395,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,839.40 : 956,874.30 = 263,900.20 : x
  2. Step 2: Convert to fraction form
    637,839.40/956,874.30 = 263,900.20/x
  3. Step 3: Cross multiply
    637,839.40x = 956,874.30 × 263,900.20
  4. Step 4: Simplify right side
    637,839.40x = 252,519,319,144.86
  5. Step 5: Solve for x
    x = 252,519,319,144.86/637,839.40
  6. Step 6: Final answer
    x = 395,897.96

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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.