Home / 936,422.96-1,404,634.46-396,764.30

Finding the Fourth Proportional to 936,422.96, 1,404,634.46 and 396,764.30

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Solution

The fourth proportional to 936,422.96, 1,404,634.46 and 396,764.30 is: 595,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,422.96 : 1,404,634.46 = 396,764.30 : x
  2. Step 2: Convert to fraction form
    936,422.96/1,404,634.46 = 396,764.30/x
  3. Step 3: Cross multiply
    936,422.96x = 1,404,634.46 × 396,764.30
  4. Step 4: Simplify right side
    936,422.96x = 557,308,808,277.78
  5. Step 5: Solve for x
    x = 557,308,808,277.78/936,422.96
  6. Step 6: Final answer
    x = 595,146.46

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