Home / 1,324,589.79-1,987,180.98-483,141.54

Finding the Fourth Proportional to 1,324,589.79, 1,987,180.98 and 483,141.54

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Solution

The fourth proportional to 1,324,589.79, 1,987,180.98 and 483,141.54 is: 724,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,589.79 : 1,987,180.98 = 483,141.54 : x
  2. Step 2: Convert to fraction form
    1,324,589.79/1,987,180.98 = 483,141.54/x
  3. Step 3: Cross multiply
    1,324,589.79x = 1,987,180.98 × 483,141.54
  4. Step 4: Simplify right side
    1,324,589.79x = 960,089,678,935.91
  5. Step 5: Solve for x
    x = 960,089,678,935.91/1,324,589.79
  6. Step 6: Final answer
    x = 724,820.38

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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.