Home / 404,420.43-558,074.27-223,132.34

Finding the Fourth Proportional to 404,420.43, 558,074.27 and 223,132.34

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Solution

The fourth proportional to 404,420.43, 558,074.27 and 223,132.34 is: 307,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,420.43 : 558,074.27 = 223,132.34 : x
  2. Step 2: Convert to fraction form
    404,420.43/558,074.27 = 223,132.34/x
  3. Step 3: Cross multiply
    404,420.43x = 558,074.27 × 223,132.34
  4. Step 4: Simplify right side
    404,420.43x = 124,524,413,852.86
  5. Step 5: Solve for x
    x = 124,524,413,852.86/404,420.43
  6. Step 6: Final answer
    x = 307,908.32

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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.