Home / 443,844.89-664,710.53-283,423.92

Finding the Fourth Proportional to 443,844.89, 664,710.53 and 283,423.92

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Solution

The fourth proportional to 443,844.89, 664,710.53 and 283,423.92 is: 424,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,844.89 : 664,710.53 = 283,423.92 : x
  2. Step 2: Convert to fraction form
    443,844.89/664,710.53 = 283,423.92/x
  3. Step 3: Cross multiply
    443,844.89x = 664,710.53 × 283,423.92
  4. Step 4: Simplify right side
    443,844.89x = 188,394,867,432.52
  5. Step 5: Solve for x
    x = 188,394,867,432.52/443,844.89
  6. Step 6: Final answer
    x = 424,461.05

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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.