Home / 400,028.13-599,975.01-133,788.24

Finding the Fourth Proportional to 400,028.13, 599,975.01 and 133,788.24

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Solution

The fourth proportional to 400,028.13, 599,975.01 and 133,788.24 is: 200,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,028.13 : 599,975.01 = 133,788.24 : x
  2. Step 2: Convert to fraction form
    400,028.13/599,975.01 = 133,788.24/x
  3. Step 3: Cross multiply
    400,028.13x = 599,975.01 × 133,788.24
  4. Step 4: Simplify right side
    400,028.13x = 80,269,600,631.88
  5. Step 5: Solve for x
    x = 80,269,600,631.88/400,028.13
  6. Step 6: Final answer
    x = 200,659.89

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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.