Home / 936,964.80-1,405,447.20-404,114.40

Finding the Fourth Proportional to 936,964.80, 1,405,447.20 and 404,114.40

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Solution

The fourth proportional to 936,964.80, 1,405,447.20 and 404,114.40 is: 606,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,964.80 : 1,405,447.20 = 404,114.40 : x
  2. Step 2: Convert to fraction form
    936,964.80/1,405,447.20 = 404,114.40/x
  3. Step 3: Cross multiply
    936,964.80x = 1,405,447.20 × 404,114.40
  4. Step 4: Simplify right side
    936,964.80x = 567,961,451,959.68
  5. Step 5: Solve for x
    x = 567,961,451,959.68/936,964.80
  6. Step 6: Final answer
    x = 606,171.60

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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.