Home / 893,850.30-1,233,537.78-485,979.60

Finding the Fourth Proportional to 893,850.30, 1,233,537.78 and 485,979.60

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Solution

The fourth proportional to 893,850.30, 1,233,537.78 and 485,979.60 is: 670,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,850.30 : 1,233,537.78 = 485,979.60 : x
  2. Step 2: Convert to fraction form
    893,850.30/1,233,537.78 = 485,979.60/x
  3. Step 3: Cross multiply
    893,850.30x = 1,233,537.78 × 485,979.60
  4. Step 4: Simplify right side
    893,850.30x = 599,474,196,909.29
  5. Step 5: Solve for x
    x = 599,474,196,909.29/893,850.30
  6. Step 6: Final answer
    x = 670,665.10

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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.