Home / 791,702.40-1,187,553.60-192,658.80

Finding the Fourth Proportional to 791,702.40, 1,187,553.60 and 192,658.80

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Solution

The fourth proportional to 791,702.40, 1,187,553.60 and 192,658.80 is: 288,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,702.40 : 1,187,553.60 = 192,658.80 : x
  2. Step 2: Convert to fraction form
    791,702.40/1,187,553.60 = 192,658.80/x
  3. Step 3: Cross multiply
    791,702.40x = 1,187,553.60 × 192,658.80
  4. Step 4: Simplify right side
    791,702.40x = 228,792,651,511.68
  5. Step 5: Solve for x
    x = 228,792,651,511.68/791,702.40
  6. Step 6: Final answer
    x = 288,988.20

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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.