Home / 724,647.78-1,082,091.93-591,791.58

Finding the Fourth Proportional to 724,647.78, 1,082,091.93 and 591,791.58

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Solution

The fourth proportional to 724,647.78, 1,082,091.93 and 591,791.58 is: 883,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,647.78 : 1,082,091.93 = 591,791.58 : x
  2. Step 2: Convert to fraction form
    724,647.78/1,082,091.93 = 591,791.58/x
  3. Step 3: Cross multiply
    724,647.78x = 1,082,091.93 × 591,791.58
  4. Step 4: Simplify right side
    724,647.78x = 640,372,892,959.95
  5. Step 5: Solve for x
    x = 640,372,892,959.95/724,647.78
  6. Step 6: Final answer
    x = 883,702.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.