Home / 1,327,003.02-1,990,505.97-329,731.02

Finding the Fourth Proportional to 1,327,003.02, 1,990,505.97 and 329,731.02

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Solution

The fourth proportional to 1,327,003.02, 1,990,505.97 and 329,731.02 is: 494,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,003.02 : 1,990,505.97 = 329,731.02 : x
  2. Step 2: Convert to fraction form
    1,327,003.02/1,990,505.97 = 329,731.02/x
  3. Step 3: Cross multiply
    1,327,003.02x = 1,990,505.97 × 329,731.02
  4. Step 4: Simplify right side
    1,327,003.02x = 656,331,563,804.19
  5. Step 5: Solve for x
    x = 656,331,563,804.19/1,327,003.02
  6. Step 6: Final answer
    x = 494,596.89

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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.