Home / 886,630.78-1,223,551.85-504,657.56

Finding the Fourth Proportional to 886,630.78, 1,223,551.85 and 504,657.56

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Solution

The fourth proportional to 886,630.78, 1,223,551.85 and 504,657.56 is: 696,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,630.78 : 1,223,551.85 = 504,657.56 : x
  2. Step 2: Convert to fraction form
    886,630.78/1,223,551.85 = 504,657.56/x
  3. Step 3: Cross multiply
    886,630.78x = 1,223,551.85 × 504,657.56
  4. Step 4: Simplify right side
    886,630.78x = 617,474,691,690.08
  5. Step 5: Solve for x
    x = 617,474,691,690.08/886,630.78
  6. Step 6: Final answer
    x = 696,428.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.