Home / 901,918.76-1,244,648.42-494,027.42

Finding the Fourth Proportional to 901,918.76, 1,244,648.42 and 494,027.42

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Solution

The fourth proportional to 901,918.76, 1,244,648.42 and 494,027.42 is: 681,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,918.76 : 1,244,648.42 = 494,027.42 : x
  2. Step 2: Convert to fraction form
    901,918.76/1,244,648.42 = 494,027.42/x
  3. Step 3: Cross multiply
    901,918.76x = 1,244,648.42 × 494,027.42
  4. Step 4: Simplify right side
    901,918.76x = 614,890,447,739.68
  5. Step 5: Solve for x
    x = 614,890,447,739.68/901,918.76
  6. Step 6: Final answer
    x = 681,758.13

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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.