Home / 681,452.20-940,405.32-409,524.24

Finding the Fourth Proportional to 681,452.20, 940,405.32 and 409,524.24

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Solution

The fourth proportional to 681,452.20, 940,405.32 and 409,524.24 is: 565,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,452.20 : 940,405.32 = 409,524.24 : x
  2. Step 2: Convert to fraction form
    681,452.20/940,405.32 = 409,524.24/x
  3. Step 3: Cross multiply
    681,452.20x = 940,405.32 × 409,524.24
  4. Step 4: Simplify right side
    681,452.20x = 385,118,773,964.96
  5. Step 5: Solve for x
    x = 385,118,773,964.96/681,452.20
  6. Step 6: Final answer
    x = 565,144.22

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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.