Home / 858,798.80-1,288,198.20-605,544.20

Finding the Fourth Proportional to 858,798.80, 1,288,198.20 and 605,544.20

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Solution

The fourth proportional to 858,798.80, 1,288,198.20 and 605,544.20 is: 908,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,798.80 : 1,288,198.20 = 605,544.20 : x
  2. Step 2: Convert to fraction form
    858,798.80/1,288,198.20 = 605,544.20/x
  3. Step 3: Cross multiply
    858,798.80x = 1,288,198.20 × 605,544.20
  4. Step 4: Simplify right side
    858,798.80x = 780,060,948,460.44
  5. Step 5: Solve for x
    x = 780,060,948,460.44/858,798.80
  6. Step 6: Final answer
    x = 908,316.30

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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.