Home / 644,510.35-966,814.73-195,268.43

Finding the Fourth Proportional to 644,510.35, 966,814.73 and 195,268.43

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Solution

The fourth proportional to 644,510.35, 966,814.73 and 195,268.43 is: 292,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,510.35 : 966,814.73 = 195,268.43 : x
  2. Step 2: Convert to fraction form
    644,510.35/966,814.73 = 195,268.43/x
  3. Step 3: Cross multiply
    644,510.35x = 966,814.73 × 195,268.43
  4. Step 4: Simplify right side
    644,510.35x = 188,788,394,427.97
  5. Step 5: Solve for x
    x = 188,788,394,427.97/644,510.35
  6. Step 6: Final answer
    x = 292,917.55

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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.