Home / 432,374.14-648,249.55-263,854.85

Finding the Fourth Proportional to 432,374.14, 648,249.55 and 263,854.85

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Solution

The fourth proportional to 432,374.14, 648,249.55 and 263,854.85 is: 395,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,374.14 : 648,249.55 = 263,854.85 : x
  2. Step 2: Convert to fraction form
    432,374.14/648,249.55 = 263,854.85/x
  3. Step 3: Cross multiply
    432,374.14x = 648,249.55 × 263,854.85
  4. Step 4: Simplify right side
    432,374.14x = 171,043,788,738.80
  5. Step 5: Solve for x
    x = 171,043,788,738.80/432,374.14
  6. Step 6: Final answer
    x = 395,592.09

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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.