Home / 382,091.20-573,136.80-329,603.20

Finding the Fourth Proportional to 382,091.20, 573,136.80 and 329,603.20

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Solution

The fourth proportional to 382,091.20, 573,136.80 and 329,603.20 is: 494,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,091.20 : 573,136.80 = 329,603.20 : x
  2. Step 2: Convert to fraction form
    382,091.20/573,136.80 = 329,603.20/x
  3. Step 3: Cross multiply
    382,091.20x = 573,136.80 × 329,603.20
  4. Step 4: Simplify right side
    382,091.20x = 188,907,723,317.76
  5. Step 5: Solve for x
    x = 188,907,723,317.76/382,091.20
  6. Step 6: Final answer
    x = 494,404.80

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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.