Home / 326,923.12-451,355.18-259,213.60

Finding the Fourth Proportional to 326,923.12, 451,355.18 and 259,213.60

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Solution

The fourth proportional to 326,923.12, 451,355.18 and 259,213.60 is: 357,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,923.12 : 451,355.18 = 259,213.60 : x
  2. Step 2: Convert to fraction form
    326,923.12/451,355.18 = 259,213.60/x
  3. Step 3: Cross multiply
    326,923.12x = 451,355.18 × 259,213.60
  4. Step 4: Simplify right side
    326,923.12x = 116,997,401,086.45
  5. Step 5: Solve for x
    x = 116,997,401,086.45/326,923.12
  6. Step 6: Final answer
    x = 357,874.36

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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.