Home / 383,528.43-529,247.66-211,440.69

Finding the Fourth Proportional to 383,528.43, 529,247.66 and 211,440.69

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Solution

The fourth proportional to 383,528.43, 529,247.66 and 211,440.69 is: 291,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,528.43 : 529,247.66 = 211,440.69 : x
  2. Step 2: Convert to fraction form
    383,528.43/529,247.66 = 211,440.69/x
  3. Step 3: Cross multiply
    383,528.43x = 529,247.66 × 211,440.69
  4. Step 4: Simplify right side
    383,528.43x = 111,904,489,354.08
  5. Step 5: Solve for x
    x = 111,904,489,354.08/383,528.43
  6. Step 6: Final answer
    x = 291,776.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.