Home / 402,936.01-556,092.44-230,876.80

Finding the Fourth Proportional to 402,936.01, 556,092.44 and 230,876.80

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Solution

The fourth proportional to 402,936.01, 556,092.44 and 230,876.80 is: 318,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,936.01 : 556,092.44 = 230,876.80 : x
  2. Step 2: Convert to fraction form
    402,936.01/556,092.44 = 230,876.80/x
  3. Step 3: Cross multiply
    402,936.01x = 556,092.44 × 230,876.80
  4. Step 4: Simplify right side
    402,936.01x = 128,388,843,051.39
  5. Step 5: Solve for x
    x = 128,388,843,051.39/402,936.01
  6. Step 6: Final answer
    x = 318,633.33

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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.