Home / 383,523.29-529,265.85-211,448.10

Finding the Fourth Proportional to 383,523.29, 529,265.85 and 211,448.10

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Solution

The fourth proportional to 383,523.29, 529,265.85 and 211,448.10 is: 291,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,523.29 : 529,265.85 = 211,448.10 : x
  2. Step 2: Convert to fraction form
    383,523.29/529,265.85 = 211,448.10/x
  3. Step 3: Cross multiply
    383,523.29x = 529,265.85 × 211,448.10
  4. Step 4: Simplify right side
    383,523.29x = 111,912,259,569.20
  5. Step 5: Solve for x
    x = 111,912,259,569.20/383,523.29
  6. Step 6: Final answer
    x = 291,800.43

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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.