Home / 908,896.80-1,363,345.20-605,778.60

Finding the Fourth Proportional to 908,896.80, 1,363,345.20 and 605,778.60

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Solution

The fourth proportional to 908,896.80, 1,363,345.20 and 605,778.60 is: 908,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,896.80 : 1,363,345.20 = 605,778.60 : x
  2. Step 2: Convert to fraction form
    908,896.80/1,363,345.20 = 605,778.60/x
  3. Step 3: Cross multiply
    908,896.80x = 1,363,345.20 × 605,778.60
  4. Step 4: Simplify right side
    908,896.80x = 825,885,346,572.72
  5. Step 5: Solve for x
    x = 825,885,346,572.72/908,896.80
  6. Step 6: Final answer
    x = 908,667.90

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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.