Home / 383,899.28-529,779.44-211,827.95

Finding the Fourth Proportional to 383,899.28, 529,779.44 and 211,827.95

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Solution

The fourth proportional to 383,899.28, 529,779.44 and 211,827.95 is: 292,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,899.28 : 529,779.44 = 211,827.95 : x
  2. Step 2: Convert to fraction form
    383,899.28/529,779.44 = 211,827.95/x
  3. Step 3: Cross multiply
    383,899.28x = 529,779.44 × 211,827.95
  4. Step 4: Simplify right side
    383,899.28x = 112,222,089,019.31
  5. Step 5: Solve for x
    x = 112,222,089,019.31/383,899.28
  6. Step 6: Final answer
    x = 292,321.70

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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.