Home / 886,679.19-1,330,205.73-287,593.77

Finding the Fourth Proportional to 886,679.19, 1,330,205.73 and 287,593.77

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Solution

The fourth proportional to 886,679.19, 1,330,205.73 and 287,593.77 is: 431,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,679.19 : 1,330,205.73 = 287,593.77 : x
  2. Step 2: Convert to fraction form
    886,679.19/1,330,205.73 = 287,593.77/x
  3. Step 3: Cross multiply
    886,679.19x = 1,330,205.73 × 287,593.77
  4. Step 4: Simplify right side
    886,679.19x = 382,558,880,766.30
  5. Step 5: Solve for x
    x = 382,558,880,766.30/886,679.19
  6. Step 6: Final answer
    x = 431,451.29

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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.