Home / 807,759.98-1,211,652.54-239,198.59

Finding the Fourth Proportional to 807,759.98, 1,211,652.54 and 239,198.59

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Solution

The fourth proportional to 807,759.98, 1,211,652.54 and 239,198.59 is: 358,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,759.98 : 1,211,652.54 = 239,198.59 : x
  2. Step 2: Convert to fraction form
    807,759.98/1,211,652.54 = 239,198.59/x
  3. Step 3: Cross multiply
    807,759.98x = 1,211,652.54 × 239,198.59
  4. Step 4: Simplify right side
    807,759.98x = 289,825,579,456.49
  5. Step 5: Solve for x
    x = 289,825,579,456.49/807,759.98
  6. Step 6: Final answer
    x = 358,801.61

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Double scale
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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.