Home / 404,618.24-558,397.44-225,781.76

Finding the Fourth Proportional to 404,618.24, 558,397.44 and 225,781.76

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Solution

The fourth proportional to 404,618.24, 558,397.44 and 225,781.76 is: 311,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,618.24 : 558,397.44 = 225,781.76 : x
  2. Step 2: Convert to fraction form
    404,618.24/558,397.44 = 225,781.76/x
  3. Step 3: Cross multiply
    404,618.24x = 558,397.44 × 225,781.76
  4. Step 4: Simplify right side
    404,618.24x = 126,075,956,782.69
  5. Step 5: Solve for x
    x = 126,075,956,782.69/404,618.24
  6. Step 6: Final answer
    x = 311,592.37

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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.