Home / 439,786.26-659,621.07-124,267.77

Finding the Fourth Proportional to 439,786.26, 659,621.07 and 124,267.77

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Solution

The fourth proportional to 439,786.26, 659,621.07 and 124,267.77 is: 186,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,786.26 : 659,621.07 = 124,267.77 : x
  2. Step 2: Convert to fraction form
    439,786.26/659,621.07 = 124,267.77/x
  3. Step 3: Cross multiply
    439,786.26x = 659,621.07 × 124,267.77
  4. Step 4: Simplify right side
    439,786.26x = 81,969,639,413.91
  5. Step 5: Solve for x
    x = 81,969,639,413.91/439,786.26
  6. Step 6: Final answer
    x = 186,385.18

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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.