Home / 693,531.20-1,040,296.80-444,699.20

Finding the Fourth Proportional to 693,531.20, 1,040,296.80 and 444,699.20

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Solution

The fourth proportional to 693,531.20, 1,040,296.80 and 444,699.20 is: 667,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,531.20 : 1,040,296.80 = 444,699.20 : x
  2. Step 2: Convert to fraction form
    693,531.20/1,040,296.80 = 444,699.20/x
  3. Step 3: Cross multiply
    693,531.20x = 1,040,296.80 × 444,699.20
  4. Step 4: Simplify right side
    693,531.20x = 462,619,154,722.56
  5. Step 5: Solve for x
    x = 462,619,154,722.56/693,531.20
  6. Step 6: Final answer
    x = 667,048.80

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Similar ratio
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1.5x scale

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.