Home / 643,587.46-965,537.26-194,281.48

Finding the Fourth Proportional to 643,587.46, 965,537.26 and 194,281.48

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Solution

The fourth proportional to 643,587.46, 965,537.26 and 194,281.48 is: 291,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,587.46 : 965,537.26 = 194,281.48 : x
  2. Step 2: Convert to fraction form
    643,587.46/965,537.26 = 194,281.48/x
  3. Step 3: Cross multiply
    643,587.46x = 965,537.26 × 194,281.48
  4. Step 4: Simplify right side
    643,587.46x = 187,586,007,867.95
  5. Step 5: Solve for x
    x = 187,586,007,867.95/643,587.46
  6. Step 6: Final answer
    x = 291,469.33

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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.