Home / 789,073.44-1,088,856.48-444,890.72

Finding the Fourth Proportional to 789,073.44, 1,088,856.48 and 444,890.72

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Solution

The fourth proportional to 789,073.44, 1,088,856.48 and 444,890.72 is: 613,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,073.44 : 1,088,856.48 = 444,890.72 : x
  2. Step 2: Convert to fraction form
    789,073.44/1,088,856.48 = 444,890.72/x
  3. Step 3: Cross multiply
    789,073.44x = 1,088,856.48 × 444,890.72
  4. Step 4: Simplify right side
    789,073.44x = 484,422,143,363.87
  5. Step 5: Solve for x
    x = 484,422,143,363.87/789,073.44
  6. Step 6: Final answer
    x = 613,912.62

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.