Home / 899,896.92-1,241,858.43-491,992.26

Finding the Fourth Proportional to 899,896.92, 1,241,858.43 and 491,992.26

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Solution

The fourth proportional to 899,896.92, 1,241,858.43 and 491,992.26 is: 678,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,896.92 : 1,241,858.43 = 491,992.26 : x
  2. Step 2: Convert to fraction form
    899,896.92/1,241,858.43 = 491,992.26/x
  3. Step 3: Cross multiply
    899,896.92x = 1,241,858.43 × 491,992.26
  4. Step 4: Simplify right side
    899,896.92x = 610,984,735,575.75
  5. Step 5: Solve for x
    x = 610,984,735,575.75/899,896.92
  6. Step 6: Final answer
    x = 678,949.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.