Home / 778,864.80-1,168,297.20-441,775.20

Finding the Fourth Proportional to 778,864.80, 1,168,297.20 and 441,775.20

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Solution

The fourth proportional to 778,864.80, 1,168,297.20 and 441,775.20 is: 662,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,864.80 : 1,168,297.20 = 441,775.20 : x
  2. Step 2: Convert to fraction form
    778,864.80/1,168,297.20 = 441,775.20/x
  3. Step 3: Cross multiply
    778,864.80x = 1,168,297.20 × 441,775.20
  4. Step 4: Simplify right side
    778,864.80x = 516,124,729,189.44
  5. Step 5: Solve for x
    x = 516,124,729,189.44/778,864.80
  6. Step 6: Final answer
    x = 662,662.80

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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.