Home / 443,263.20-611,287.98-352,917.42

Finding the Fourth Proportional to 443,263.20, 611,287.98 and 352,917.42

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Solution

The fourth proportional to 443,263.20, 611,287.98 and 352,917.42 is: 486,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,263.20 : 611,287.98 = 352,917.42 : x
  2. Step 2: Convert to fraction form
    443,263.20/611,287.98 = 352,917.42/x
  3. Step 3: Cross multiply
    443,263.20x = 611,287.98 × 352,917.42
  4. Step 4: Simplify right side
    443,263.20x = 215,734,176,778.61
  5. Step 5: Solve for x
    x = 215,734,176,778.61/443,263.20
  6. Step 6: Final answer
    x = 486,695.44

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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.