Home / 383,851.13-529,711.59-211,776.35

Finding the Fourth Proportional to 383,851.13, 529,711.59 and 211,776.35

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Solution

The fourth proportional to 383,851.13, 529,711.59 and 211,776.35 is: 292,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,851.13 : 529,711.59 = 211,776.35 : x
  2. Step 2: Convert to fraction form
    383,851.13/529,711.59 = 211,776.35/x
  3. Step 3: Cross multiply
    383,851.13x = 529,711.59 × 211,776.35
  4. Step 4: Simplify right side
    383,851.13x = 112,180,384,434.34
  5. Step 5: Solve for x
    x = 112,180,384,434.34/383,851.13
  6. Step 6: Final answer
    x = 292,249.72

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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.