Home / 443,101.66-609,940.93-386,414.62

Finding the Fourth Proportional to 443,101.66, 609,940.93 and 386,414.62

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Solution

The fourth proportional to 443,101.66, 609,940.93 and 386,414.62 is: 531,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,101.66 : 609,940.93 = 386,414.62 : x
  2. Step 2: Convert to fraction form
    443,101.66/609,940.93 = 386,414.62/x
  3. Step 3: Cross multiply
    443,101.66x = 609,940.93 × 386,414.62
  4. Step 4: Simplify right side
    443,101.66x = 235,690,087,706.62
  5. Step 5: Solve for x
    x = 235,690,087,706.62/443,101.66
  6. Step 6: Final answer
    x = 531,909.74

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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.