Home / 693,715.20-1,040,572.80-444,883.20

Finding the Fourth Proportional to 693,715.20, 1,040,572.80 and 444,883.20

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Solution

The fourth proportional to 693,715.20, 1,040,572.80 and 444,883.20 is: 667,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,715.20 : 1,040,572.80 = 444,883.20 : x
  2. Step 2: Convert to fraction form
    693,715.20/1,040,572.80 = 444,883.20/x
  3. Step 3: Cross multiply
    693,715.20x = 1,040,572.80 × 444,883.20
  4. Step 4: Simplify right side
    693,715.20x = 462,933,357,096.96
  5. Step 5: Solve for x
    x = 462,933,357,096.96/693,715.20
  6. Step 6: Final answer
    x = 667,324.80

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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.