Home / 644,090.67-966,287.73-194,815.26

Finding the Fourth Proportional to 644,090.67, 966,287.73 and 194,815.26

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Solution

The fourth proportional to 644,090.67, 966,287.73 and 194,815.26 is: 292,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,090.67 : 966,287.73 = 194,815.26 : x
  2. Step 2: Convert to fraction form
    644,090.67/966,287.73 = 194,815.26/x
  3. Step 3: Cross multiply
    644,090.67x = 966,287.73 × 194,815.26
  4. Step 4: Simplify right side
    644,090.67x = 188,247,595,354.76
  5. Step 5: Solve for x
    x = 188,247,595,354.76/644,090.67
  6. Step 6: Final answer
    x = 292,268.78

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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.