Home / 443,014.20-664,521.30-310,044.60

Finding the Fourth Proportional to 443,014.20, 664,521.30 and 310,044.60

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Solution

The fourth proportional to 443,014.20, 664,521.30 and 310,044.60 is: 465,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,014.20 : 664,521.30 = 310,044.60 : x
  2. Step 2: Convert to fraction form
    443,014.20/664,521.30 = 310,044.60/x
  3. Step 3: Cross multiply
    443,014.20x = 664,521.30 × 310,044.60
  4. Step 4: Simplify right side
    443,014.20x = 206,031,240,649.98
  5. Step 5: Solve for x
    x = 206,031,240,649.98/443,014.20
  6. Step 6: Final answer
    x = 465,066.90

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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.