Home / 404,619.24-558,398.82-225,782.76

Finding the Fourth Proportional to 404,619.24, 558,398.82 and 225,782.76

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Solution

The fourth proportional to 404,619.24, 558,398.82 and 225,782.76 is: 311,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,619.24 : 558,398.82 = 225,782.76 : x
  2. Step 2: Convert to fraction form
    404,619.24/558,398.82 = 225,782.76/x
  3. Step 3: Cross multiply
    404,619.24x = 558,398.82 × 225,782.76
  4. Step 4: Simplify right side
    404,619.24x = 126,076,826,760.34
  5. Step 5: Solve for x
    x = 126,076,826,760.34/404,619.24
  6. Step 6: Final answer
    x = 311,593.75

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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.