Home / 383,825.23-529,677.27-211,753.89

Finding the Fourth Proportional to 383,825.23, 529,677.27 and 211,753.89

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Solution

The fourth proportional to 383,825.23, 529,677.27 and 211,753.89 is: 292,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,825.23 : 529,677.27 = 211,753.89 : x
  2. Step 2: Convert to fraction form
    383,825.23/529,677.27 = 211,753.89/x
  3. Step 3: Cross multiply
    383,825.23x = 529,677.27 × 211,753.89
  4. Step 4: Simplify right side
    383,825.23x = 112,161,222,367.08
  5. Step 5: Solve for x
    x = 112,161,222,367.08/383,825.23
  6. Step 6: Final answer
    x = 292,219.52

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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.