Home / 383,825.48-529,677.62-211,754.14

Finding the Fourth Proportional to 383,825.48, 529,677.62 and 211,754.14

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Solution

The fourth proportional to 383,825.48, 529,677.62 and 211,754.14 is: 292,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,825.48 : 529,677.62 = 211,754.14 : x
  2. Step 2: Convert to fraction form
    383,825.48/529,677.62 = 211,754.14/x
  3. Step 3: Cross multiply
    383,825.48x = 529,677.62 × 211,754.14
  4. Step 4: Simplify right side
    383,825.48x = 112,161,427,841.58
  5. Step 5: Solve for x
    x = 112,161,427,841.58/383,825.48
  6. Step 6: Final answer
    x = 292,219.86

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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.