Home / 382,279.69-529,997.95-361,022.05

Finding the Fourth Proportional to 382,279.69, 529,997.95 and 361,022.05

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Solution

The fourth proportional to 382,279.69, 529,997.95 and 361,022.05 is: 500,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,279.69 : 529,997.95 = 361,022.05 : x
  2. Step 2: Convert to fraction form
    382,279.69/529,997.95 = 361,022.05/x
  3. Step 3: Cross multiply
    382,279.69x = 529,997.95 × 361,022.05
  4. Step 4: Simplify right side
    382,279.69x = 191,340,946,404.80
  5. Step 5: Solve for x
    x = 191,340,946,404.80/382,279.69
  6. Step 6: Final answer
    x = 500,526.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.