Home / 383,831.31-576,245.87-295,147.09

Finding the Fourth Proportional to 383,831.31, 576,245.87 and 295,147.09

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Solution

The fourth proportional to 383,831.31, 576,245.87 and 295,147.09 is: 443,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,831.31 : 576,245.87 = 295,147.09 : x
  2. Step 2: Convert to fraction form
    383,831.31/576,245.87 = 295,147.09/x
  3. Step 3: Cross multiply
    383,831.31x = 576,245.87 × 295,147.09
  4. Step 4: Simplify right side
    383,831.31x = 170,077,291,655.02
  5. Step 5: Solve for x
    x = 170,077,291,655.02/383,831.31
  6. Step 6: Final answer
    x = 443,104.27

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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.