Home / 404,531.35-606,917.75-120,231.36

Finding the Fourth Proportional to 404,531.35, 606,917.75 and 120,231.36

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Solution

The fourth proportional to 404,531.35, 606,917.75 and 120,231.36 is: 180,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,531.35 : 606,917.75 = 120,231.36 : x
  2. Step 2: Convert to fraction form
    404,531.35/606,917.75 = 120,231.36/x
  3. Step 3: Cross multiply
    404,531.35x = 606,917.75 × 120,231.36
  4. Step 4: Simplify right side
    404,531.35x = 72,970,545,889.48
  5. Step 5: Solve for x
    x = 72,970,545,889.48/404,531.35
  6. Step 6: Final answer
    x = 180,382.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.