Home / 383,827.23-529,680.03-211,755.89

Finding the Fourth Proportional to 383,827.23, 529,680.03 and 211,755.89

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Solution

The fourth proportional to 383,827.23, 529,680.03 and 211,755.89 is: 292,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,827.23 : 529,680.03 = 211,755.89 : x
  2. Step 2: Convert to fraction form
    383,827.23/529,680.03 = 211,755.89/x
  3. Step 3: Cross multiply
    383,827.23x = 529,680.03 × 211,755.89
  4. Step 4: Simplify right side
    383,827.23x = 112,162,866,167.88
  5. Step 5: Solve for x
    x = 112,162,866,167.88/383,827.23
  6. Step 6: Final answer
    x = 292,222.27

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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.