Home / 729,638.35-1,092,981.30-505,252.15

Finding the Fourth Proportional to 729,638.35, 1,092,981.30 and 505,252.15

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Solution

The fourth proportional to 729,638.35, 1,092,981.30 and 505,252.15 is: 756,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,638.35 : 1,092,981.30 = 505,252.15 : x
  2. Step 2: Convert to fraction form
    729,638.35/1,092,981.30 = 505,252.15/x
  3. Step 3: Cross multiply
    729,638.35x = 1,092,981.30 × 505,252.15
  4. Step 4: Simplify right side
    729,638.35x = 552,231,151,734.80
  5. Step 5: Solve for x
    x = 552,231,151,734.80/729,638.35
  6. Step 6: Final answer
    x = 756,855.98

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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.