Home / 579,073.03-799,119.61-324,418.75

Finding the Fourth Proportional to 579,073.03, 799,119.61 and 324,418.75

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Solution

The fourth proportional to 579,073.03, 799,119.61 and 324,418.75 is: 447,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,073.03 : 799,119.61 = 324,418.75 : x
  2. Step 2: Convert to fraction form
    579,073.03/799,119.61 = 324,418.75/x
  3. Step 3: Cross multiply
    579,073.03x = 799,119.61 × 324,418.75
  4. Step 4: Simplify right side
    579,073.03x = 259,249,384,976.69
  5. Step 5: Solve for x
    x = 259,249,384,976.69/579,073.03
  6. Step 6: Final answer
    x = 447,697.22

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.