Home / 766,286.38-1,057,558.28-422,157.58

Finding the Fourth Proportional to 766,286.38, 1,057,558.28 and 422,157.58

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Solution

The fourth proportional to 766,286.38, 1,057,558.28 and 422,157.58 is: 582,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,286.38 : 1,057,558.28 = 422,157.58 : x
  2. Step 2: Convert to fraction form
    766,286.38/1,057,558.28 = 422,157.58/x
  3. Step 3: Cross multiply
    766,286.38x = 1,057,558.28 × 422,157.58
  4. Step 4: Simplify right side
    766,286.38x = 446,456,244,193.76
  5. Step 5: Solve for x
    x = 446,456,244,193.76/766,286.38
  6. Step 6: Final answer
    x = 582,623.23

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Half scale
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Double scale
Find fourth proportional to 766,287.38, 1,057,559.66 and 422,158.58
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.