Home / 443,229.12-611,574.96-261,970.56

Finding the Fourth Proportional to 443,229.12, 611,574.96 and 261,970.56

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Solution

The fourth proportional to 443,229.12, 611,574.96 and 261,970.56 is: 361,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,229.12 : 611,574.96 = 261,970.56 : x
  2. Step 2: Convert to fraction form
    443,229.12/611,574.96 = 261,970.56/x
  3. Step 3: Cross multiply
    443,229.12x = 611,574.96 × 261,970.56
  4. Step 4: Simplify right side
    443,229.12x = 160,214,634,753.18
  5. Step 5: Solve for x
    x = 160,214,634,753.18/443,229.12
  6. Step 6: Final answer
    x = 361,471.36

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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.