Home / 389,827.26-538,008.30-236,890.44

Finding the Fourth Proportional to 389,827.26, 538,008.30 and 236,890.44

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Solution

The fourth proportional to 389,827.26, 538,008.30 and 236,890.44 is: 326,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,827.26 : 538,008.30 = 236,890.44 : x
  2. Step 2: Convert to fraction form
    389,827.26/538,008.30 = 236,890.44/x
  3. Step 3: Cross multiply
    389,827.26x = 538,008.30 × 236,890.44
  4. Step 4: Simplify right side
    389,827.26x = 127,449,022,910.65
  5. Step 5: Solve for x
    x = 127,449,022,910.65/389,827.26
  6. Step 6: Final answer
    x = 326,937.17

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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.