Home / 404,434.46-558,117.89-223,157.66

Finding the Fourth Proportional to 404,434.46, 558,117.89 and 223,157.66

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Solution

The fourth proportional to 404,434.46, 558,117.89 and 223,157.66 is: 307,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,434.46 : 558,117.89 = 223,157.66 : x
  2. Step 2: Convert to fraction form
    404,434.46/558,117.89 = 223,157.66/x
  3. Step 3: Cross multiply
    404,434.46x = 558,117.89 × 223,157.66
  4. Step 4: Simplify right side
    404,434.46x = 124,548,282,336.54
  5. Step 5: Solve for x
    x = 124,548,282,336.54/404,434.46
  6. Step 6: Final answer
    x = 307,956.65

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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.