Home / 443,927.12-612,479.85-271,665.50

Finding the Fourth Proportional to 443,927.12, 612,479.85 and 271,665.50

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Solution

The fourth proportional to 443,927.12, 612,479.85 and 271,665.50 is: 374,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,927.12 : 612,479.85 = 271,665.50 : x
  2. Step 2: Convert to fraction form
    443,927.12/612,479.85 = 271,665.50/x
  3. Step 3: Cross multiply
    443,927.12x = 612,479.85 × 271,665.50
  4. Step 4: Simplify right side
    443,927.12x = 166,389,644,690.18
  5. Step 5: Solve for x
    x = 166,389,644,690.18/443,927.12
  6. Step 6: Final answer
    x = 374,812.98

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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.