Home / 665,229.29-997,862.35-191,914.63

Finding the Fourth Proportional to 665,229.29, 997,862.35 and 191,914.63

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Solution

The fourth proportional to 665,229.29, 997,862.35 and 191,914.63 is: 287,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,229.29 : 997,862.35 = 191,914.63 : x
  2. Step 2: Convert to fraction form
    665,229.29/997,862.35 = 191,914.63/x
  3. Step 3: Cross multiply
    665,229.29x = 997,862.35 × 191,914.63
  4. Step 4: Simplify right side
    665,229.29x = 191,504,383,691.18
  5. Step 5: Solve for x
    x = 191,504,383,691.18/665,229.29
  6. Step 6: Final answer
    x = 287,877.26

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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.