Home / 407,230.11-561,788.55-254,169.27

Finding the Fourth Proportional to 407,230.11, 561,788.55 and 254,169.27

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Solution

The fourth proportional to 407,230.11, 561,788.55 and 254,169.27 is: 350,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,230.11 : 561,788.55 = 254,169.27 : x
  2. Step 2: Convert to fraction form
    407,230.11/561,788.55 = 254,169.27/x
  3. Step 3: Cross multiply
    407,230.11x = 561,788.55 × 254,169.27
  4. Step 4: Simplify right side
    407,230.11x = 142,789,385,647.86
  5. Step 5: Solve for x
    x = 142,789,385,647.86/407,230.11
  6. Step 6: Final answer
    x = 350,635.63

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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.