Home / 383,827.35-529,680.20-211,756.02

Finding the Fourth Proportional to 383,827.35, 529,680.20 and 211,756.02

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Solution

The fourth proportional to 383,827.35, 529,680.20 and 211,756.02 is: 292,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,827.35 : 529,680.20 = 211,756.02 : x
  2. Step 2: Convert to fraction form
    383,827.35/529,680.20 = 211,756.02/x
  3. Step 3: Cross multiply
    383,827.35x = 529,680.20 × 211,756.02
  4. Step 4: Simplify right side
    383,827.35x = 112,162,971,024.80
  5. Step 5: Solve for x
    x = 112,162,971,024.80/383,827.35
  6. Step 6: Final answer
    x = 292,222.46

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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.