Home / 505,865.67-698,086.19-276,417.92

Finding the Fourth Proportional to 505,865.67, 698,086.19 and 276,417.92

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Solution

The fourth proportional to 505,865.67, 698,086.19 and 276,417.92 is: 381,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,865.67 : 698,086.19 = 276,417.92 : x
  2. Step 2: Convert to fraction form
    505,865.67/698,086.19 = 276,417.92/x
  3. Step 3: Cross multiply
    505,865.67x = 698,086.19 × 276,417.92
  4. Step 4: Simplify right side
    505,865.67x = 192,963,529,821.14
  5. Step 5: Solve for x
    x = 192,963,529,821.14/505,865.67
  6. Step 6: Final answer
    x = 381,452.12

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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.