Home / 579,143.42-799,217.37-324,496.43

Finding the Fourth Proportional to 579,143.42, 799,217.37 and 324,496.43

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Solution

The fourth proportional to 579,143.42, 799,217.37 and 324,496.43 is: 447,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,143.42 : 799,217.37 = 324,496.43 : x
  2. Step 2: Convert to fraction form
    579,143.42/799,217.37 = 324,496.43/x
  3. Step 3: Cross multiply
    579,143.42x = 799,217.37 × 324,496.43
  4. Step 4: Simplify right side
    579,143.42x = 259,343,183,358.99
  5. Step 5: Solve for x
    x = 259,343,183,358.99/579,143.42
  6. Step 6: Final answer
    x = 447,804.77

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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.