Home / 461,311.20-691,966.80-248,734.80

Finding the Fourth Proportional to 461,311.20, 691,966.80 and 248,734.80

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Solution

The fourth proportional to 461,311.20, 691,966.80 and 248,734.80 is: 373,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,311.20 : 691,966.80 = 248,734.80 : x
  2. Step 2: Convert to fraction form
    461,311.20/691,966.80 = 248,734.80/x
  3. Step 3: Cross multiply
    461,311.20x = 691,966.80 × 248,734.80
  4. Step 4: Simplify right side
    461,311.20x = 172,116,223,604.64
  5. Step 5: Solve for x
    x = 172,116,223,604.64/461,311.20
  6. Step 6: Final answer
    x = 373,102.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.