Home / 383,868.02-529,725.57-211,785.86

Finding the Fourth Proportional to 383,868.02, 529,725.57 and 211,785.86

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Solution

The fourth proportional to 383,868.02, 529,725.57 and 211,785.86 is: 292,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,868.02 : 529,725.57 = 211,785.86 : x
  2. Step 2: Convert to fraction form
    383,868.02/529,725.57 = 211,785.86/x
  3. Step 3: Cross multiply
    383,868.02x = 529,725.57 × 211,785.86
  4. Step 4: Simplify right side
    383,868.02x = 112,188,385,406.44
  5. Step 5: Solve for x
    x = 112,188,385,406.44/383,868.02
  6. Step 6: Final answer
    x = 292,257.70

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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.