Home / 407,231.11-561,789.93-254,170.27

Finding the Fourth Proportional to 407,231.11, 561,789.93 and 254,170.27

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Solution

The fourth proportional to 407,231.11, 561,789.93 and 254,170.27 is: 350,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,231.11 : 561,789.93 = 254,170.27 : x
  2. Step 2: Convert to fraction form
    407,231.11/561,789.93 = 254,170.27/x
  3. Step 3: Cross multiply
    407,231.11x = 561,789.93 × 254,170.27
  4. Step 4: Simplify right side
    407,231.11x = 142,790,298,191.38
  5. Step 5: Solve for x
    x = 142,790,298,191.38/407,231.11
  6. Step 6: Final answer
    x = 350,637.01

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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.