Home / 804,550.03-1,206,823.99-205,511.65

Finding the Fourth Proportional to 804,550.03, 1,206,823.99 and 205,511.65

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Solution

The fourth proportional to 804,550.03, 1,206,823.99 and 205,511.65 is: 308,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,550.03 : 1,206,823.99 = 205,511.65 : x
  2. Step 2: Convert to fraction form
    804,550.03/1,206,823.99 = 205,511.65/x
  3. Step 3: Cross multiply
    804,550.03x = 1,206,823.99 × 205,511.65
  4. Step 4: Simplify right side
    804,550.03x = 248,016,389,444.48
  5. Step 5: Solve for x
    x = 248,016,389,444.48/804,550.03
  6. Step 6: Final answer
    x = 308,267.21

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Double scale
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Similar ratio
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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.