Home / 790,196.67-1,090,467.09-427,619.97

Finding the Fourth Proportional to 790,196.67, 1,090,467.09 and 427,619.97

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Solution

The fourth proportional to 790,196.67, 1,090,467.09 and 427,619.97 is: 590,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,196.67 : 1,090,467.09 = 427,619.97 : x
  2. Step 2: Convert to fraction form
    790,196.67/1,090,467.09 = 427,619.97/x
  3. Step 3: Cross multiply
    790,196.67x = 1,090,467.09 × 427,619.97
  4. Step 4: Simplify right side
    790,196.67x = 466,305,504,311.79
  5. Step 5: Solve for x
    x = 466,305,504,311.79/790,196.67
  6. Step 6: Final answer
    x = 590,113.22

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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.