Home / 383,977.62-529,885.53-211,897.17

Finding the Fourth Proportional to 383,977.62, 529,885.53 and 211,897.17

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Solution

The fourth proportional to 383,977.62, 529,885.53 and 211,897.17 is: 292,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,977.62 : 529,885.53 = 211,897.17 : x
  2. Step 2: Convert to fraction form
    383,977.62/529,885.53 = 211,897.17/x
  3. Step 3: Cross multiply
    383,977.62x = 529,885.53 × 211,897.17
  4. Step 4: Simplify right side
    383,977.62x = 112,281,244,230.95
  5. Step 5: Solve for x
    x = 112,281,244,230.95/383,977.62
  6. Step 6: Final answer
    x = 292,416.12

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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.