Home / 397,331.60-595,997.40-367,005.20

Finding the Fourth Proportional to 397,331.60, 595,997.40 and 367,005.20

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Solution

The fourth proportional to 397,331.60, 595,997.40 and 367,005.20 is: 550,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,331.60 : 595,997.40 = 367,005.20 : x
  2. Step 2: Convert to fraction form
    397,331.60/595,997.40 = 367,005.20/x
  3. Step 3: Cross multiply
    397,331.60x = 595,997.40 × 367,005.20
  4. Step 4: Simplify right side
    397,331.60x = 218,734,144,986.48
  5. Step 5: Solve for x
    x = 218,734,144,986.48/397,331.60
  6. Step 6: Final answer
    x = 550,507.80

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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.