Home / 434,529.20-651,793.80-379,233.20

Finding the Fourth Proportional to 434,529.20, 651,793.80 and 379,233.20

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Solution

The fourth proportional to 434,529.20, 651,793.80 and 379,233.20 is: 568,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,529.20 : 651,793.80 = 379,233.20 : x
  2. Step 2: Convert to fraction form
    434,529.20/651,793.80 = 379,233.20/x
  3. Step 3: Cross multiply
    434,529.20x = 651,793.80 × 379,233.20
  4. Step 4: Simplify right side
    434,529.20x = 247,181,848,514.16
  5. Step 5: Solve for x
    x = 247,181,848,514.16/434,529.20
  6. Step 6: Final answer
    x = 568,849.80

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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.