Home / 405,062.99-558,984.26-223,786.61

Finding the Fourth Proportional to 405,062.99, 558,984.26 and 223,786.61

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Solution

The fourth proportional to 405,062.99, 558,984.26 and 223,786.61 is: 308,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,062.99 : 558,984.26 = 223,786.61 : x
  2. Step 2: Convert to fraction form
    405,062.99/558,984.26 = 223,786.61/x
  3. Step 3: Cross multiply
    405,062.99x = 558,984.26 × 223,786.61
  4. Step 4: Simplify right side
    405,062.99x = 125,093,190,353.30
  5. Step 5: Solve for x
    x = 125,093,190,353.30/405,062.99
  6. Step 6: Final answer
    x = 308,824.05

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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.