Home / 383,896.18-529,773.22-211,815.73

Finding the Fourth Proportional to 383,896.18, 529,773.22 and 211,815.73

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Solution

The fourth proportional to 383,896.18, 529,773.22 and 211,815.73 is: 292,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,896.18 : 529,773.22 = 211,815.73 : x
  2. Step 2: Convert to fraction form
    383,896.18/529,773.22 = 211,815.73/x
  3. Step 3: Cross multiply
    383,896.18x = 529,773.22 × 211,815.73
  4. Step 4: Simplify right side
    383,896.18x = 112,214,301,328.75
  5. Step 5: Solve for x
    x = 112,214,301,328.75/383,896.18
  6. Step 6: Final answer
    x = 292,303.77

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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.