Home / 792,341.70-1,188,512.55-723,912.90

Finding the Fourth Proportional to 792,341.70, 1,188,512.55 and 723,912.90

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Solution

The fourth proportional to 792,341.70, 1,188,512.55 and 723,912.90 is: 1,085,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,341.70 : 1,188,512.55 = 723,912.90 : x
  2. Step 2: Convert to fraction form
    792,341.70/1,188,512.55 = 723,912.90/x
  3. Step 3: Cross multiply
    792,341.70x = 1,188,512.55 × 723,912.90
  4. Step 4: Simplify right side
    792,341.70x = 860,379,566,756.90
  5. Step 5: Solve for x
    x = 860,379,566,756.90/792,341.70
  6. Step 6: Final answer
    x = 1,085,869.35

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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.