Home / 855,605.80-1,282,976.22-500,726.44

Finding the Fourth Proportional to 855,605.80, 1,282,976.22 and 500,726.44

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Solution

The fourth proportional to 855,605.80, 1,282,976.22 and 500,726.44 is: 750,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,605.80 : 1,282,976.22 = 500,726.44 : x
  2. Step 2: Convert to fraction form
    855,605.80/1,282,976.22 = 500,726.44/x
  3. Step 3: Cross multiply
    855,605.80x = 1,282,976.22 × 500,726.44
  4. Step 4: Simplify right side
    855,605.80x = 642,420,115,245.26
  5. Step 5: Solve for x
    x = 642,420,115,245.26/855,605.80
  6. Step 6: Final answer
    x = 750,836.56

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1.5x scale

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.