Home / 1,069,997.73-1,605,206.39-396,084.21

Finding the Fourth Proportional to 1,069,997.73, 1,605,206.39 and 396,084.21

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Solution

The fourth proportional to 1,069,997.73, 1,605,206.39 and 396,084.21 is: 594,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,997.73 : 1,605,206.39 = 396,084.21 : x
  2. Step 2: Convert to fraction form
    1,069,997.73/1,605,206.39 = 396,084.21/x
  3. Step 3: Cross multiply
    1,069,997.73x = 1,605,206.39 × 396,084.21
  4. Step 4: Simplify right side
    1,069,997.73x = 635,796,902,889.68
  5. Step 5: Solve for x
    x = 635,796,902,889.68/1,069,997.73
  6. Step 6: Final answer
    x = 594,203.97

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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.