Home / 705,129.68-1,057,825.74-231,833.72

Finding the Fourth Proportional to 705,129.68, 1,057,825.74 and 231,833.72

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Solution

The fourth proportional to 705,129.68, 1,057,825.74 and 231,833.72 is: 347,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,129.68 : 1,057,825.74 = 231,833.72 : x
  2. Step 2: Convert to fraction form
    705,129.68/1,057,825.74 = 231,833.72/x
  3. Step 3: Cross multiply
    705,129.68x = 1,057,825.74 × 231,833.72
  4. Step 4: Simplify right side
    705,129.68x = 245,239,676,415.95
  5. Step 5: Solve for x
    x = 245,239,676,415.95/705,129.68
  6. Step 6: Final answer
    x = 347,793.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.