Home / 694,018.80-1,040,773.20-238,480.86

Finding the Fourth Proportional to 694,018.80, 1,040,773.20 and 238,480.86

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Solution

The fourth proportional to 694,018.80, 1,040,773.20 and 238,480.86 is: 357,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,018.80 : 1,040,773.20 = 238,480.86 : x
  2. Step 2: Convert to fraction form
    694,018.80/1,040,773.20 = 238,480.86/x
  3. Step 3: Cross multiply
    694,018.80x = 1,040,773.20 × 238,480.86
  4. Step 4: Simplify right side
    694,018.80x = 248,204,487,800.95
  5. Step 5: Solve for x
    x = 248,204,487,800.95/694,018.80
  6. Step 6: Final answer
    x = 357,633.67

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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.