Home / 996,135.72-1,494,395.56-322,384.20

Finding the Fourth Proportional to 996,135.72, 1,494,395.56 and 322,384.20

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Solution

The fourth proportional to 996,135.72, 1,494,395.56 and 322,384.20 is: 483,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,135.72 : 1,494,395.56 = 322,384.20 : x
  2. Step 2: Convert to fraction form
    996,135.72/1,494,395.56 = 322,384.20/x
  3. Step 3: Cross multiply
    996,135.72x = 1,494,395.56 × 322,384.20
  4. Step 4: Simplify right side
    996,135.72x = 481,769,517,094.15
  5. Step 5: Solve for x
    x = 481,769,517,094.15/996,135.72
  6. Step 6: Final answer
    x = 483,638.43

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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.