Home / 665,073.28-997,757.52-191,721.70

Finding the Fourth Proportional to 665,073.28, 997,757.52 and 191,721.70

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Solution

The fourth proportional to 665,073.28, 997,757.52 and 191,721.70 is: 287,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,073.28 : 997,757.52 = 191,721.70 : x
  2. Step 2: Convert to fraction form
    665,073.28/997,757.52 = 191,721.70/x
  3. Step 3: Cross multiply
    665,073.28x = 997,757.52 × 191,721.70
  4. Step 4: Simplify right side
    665,073.28x = 191,291,767,922.18
  5. Step 5: Solve for x
    x = 191,291,767,922.18/665,073.28
  6. Step 6: Final answer
    x = 287,625.10

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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.