Home / 511,976.21-706,522.23-282,535.61

Finding the Fourth Proportional to 511,976.21, 706,522.23 and 282,535.61

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Solution

The fourth proportional to 511,976.21, 706,522.23 and 282,535.61 is: 389,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,976.21 : 706,522.23 = 282,535.61 : x
  2. Step 2: Convert to fraction form
    511,976.21/706,522.23 = 282,535.61/x
  3. Step 3: Cross multiply
    511,976.21x = 706,522.23 × 282,535.61
  4. Step 4: Simplify right side
    511,976.21x = 199,617,685,699.00
  5. Step 5: Solve for x
    x = 199,617,685,699.00/511,976.21
  6. Step 6: Final answer
    x = 389,896.41

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1.5x scale

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.