Home / 355,934.80-533,902.20-322,109.20

Finding the Fourth Proportional to 355,934.80, 533,902.20 and 322,109.20

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Solution

The fourth proportional to 355,934.80, 533,902.20 and 322,109.20 is: 483,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,934.80 : 533,902.20 = 322,109.20 : x
  2. Step 2: Convert to fraction form
    355,934.80/533,902.20 = 322,109.20/x
  3. Step 3: Cross multiply
    355,934.80x = 533,902.20 × 322,109.20
  4. Step 4: Simplify right side
    355,934.80x = 171,974,810,520.24
  5. Step 5: Solve for x
    x = 171,974,810,520.24/355,934.80
  6. Step 6: Final answer
    x = 483,163.80

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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.