Home / 404,726.50-558,523.28-223,438.72

Finding the Fourth Proportional to 404,726.50, 558,523.28 and 223,438.72

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Solution

The fourth proportional to 404,726.50, 558,523.28 and 223,438.72 is: 308,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,726.50 : 558,523.28 = 223,438.72 : x
  2. Step 2: Convert to fraction form
    404,726.50/558,523.28 = 223,438.72/x
  3. Step 3: Cross multiply
    404,726.50x = 558,523.28 × 223,438.72
  4. Step 4: Simplify right side
    404,726.50x = 124,795,727,925.35
  5. Step 5: Solve for x
    x = 124,795,727,925.35/404,726.50
  6. Step 6: Final answer
    x = 308,345.83

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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.