Home / 347,176.61-520,761.15-263,450.96

Finding the Fourth Proportional to 347,176.61, 520,761.15 and 263,450.96

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Solution

The fourth proportional to 347,176.61, 520,761.15 and 263,450.96 is: 395,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,176.61 : 520,761.15 = 263,450.96 : x
  2. Step 2: Convert to fraction form
    347,176.61/520,761.15 = 263,450.96/x
  3. Step 3: Cross multiply
    347,176.61x = 520,761.15 × 263,450.96
  4. Step 4: Simplify right side
    347,176.61x = 137,195,022,294.40
  5. Step 5: Solve for x
    x = 137,195,022,294.40/347,176.61
  6. Step 6: Final answer
    x = 395,173.58

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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.