Home / 511,976.46-706,522.57-282,535.86

Finding the Fourth Proportional to 511,976.46, 706,522.57 and 282,535.86

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Solution

The fourth proportional to 511,976.46, 706,522.57 and 282,535.86 is: 389,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,976.46 : 706,522.57 = 282,535.86 : x
  2. Step 2: Convert to fraction form
    511,976.46/706,522.57 = 282,535.86/x
  3. Step 3: Cross multiply
    511,976.46x = 706,522.57 × 282,535.86
  4. Step 4: Simplify right side
    511,976.46x = 199,617,961,924.36
  5. Step 5: Solve for x
    x = 199,617,961,924.36/511,976.46
  6. Step 6: Final answer
    x = 389,896.76

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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.