Home / 591,270.20-885,738.90-353,907.80

Finding the Fourth Proportional to 591,270.20, 885,738.90 and 353,907.80

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Solution

The fourth proportional to 591,270.20, 885,738.90 and 353,907.80 is: 530,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,270.20 : 885,738.90 = 353,907.80 : x
  2. Step 2: Convert to fraction form
    591,270.20/885,738.90 = 353,907.80/x
  3. Step 3: Cross multiply
    591,270.20x = 885,738.90 × 353,907.80
  4. Step 4: Simplify right side
    591,270.20x = 313,469,905,473.42
  5. Step 5: Solve for x
    x = 313,469,905,473.42/591,270.20
  6. Step 6: Final answer
    x = 530,163.55

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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.