Home / 556,623.26-768,140.37-301,974.38

Finding the Fourth Proportional to 556,623.26, 768,140.37 and 301,974.38

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Solution

The fourth proportional to 556,623.26, 768,140.37 and 301,974.38 is: 416,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,623.26 : 768,140.37 = 301,974.38 : x
  2. Step 2: Convert to fraction form
    556,623.26/768,140.37 = 301,974.38/x
  3. Step 3: Cross multiply
    556,623.26x = 768,140.37 × 301,974.38
  4. Step 4: Simplify right side
    556,623.26x = 231,958,708,143.02
  5. Step 5: Solve for x
    x = 231,958,708,143.02/556,623.26
  6. Step 6: Final answer
    x = 416,724.79

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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.