Home / 701,989.20-1,053,114.96-281,297.88

Finding the Fourth Proportional to 701,989.20, 1,053,114.96 and 281,297.88

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Solution

The fourth proportional to 701,989.20, 1,053,114.96 and 281,297.88 is: 421,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,989.20 : 1,053,114.96 = 281,297.88 : x
  2. Step 2: Convert to fraction form
    701,989.20/1,053,114.96 = 281,297.88/x
  3. Step 3: Cross multiply
    701,989.20x = 1,053,114.96 × 281,297.88
  4. Step 4: Simplify right side
    701,989.20x = 296,239,005,644.29
  5. Step 5: Solve for x
    x = 296,239,005,644.29/701,989.20
  6. Step 6: Final answer
    x = 421,999.38

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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.