Home / 853,281.36-1,279,995.54-222,196.32

Finding the Fourth Proportional to 853,281.36, 1,279,995.54 and 222,196.32

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Solution

The fourth proportional to 853,281.36, 1,279,995.54 and 222,196.32 is: 333,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,281.36 : 1,279,995.54 = 222,196.32 : x
  2. Step 2: Convert to fraction form
    853,281.36/1,279,995.54 = 222,196.32/x
  3. Step 3: Cross multiply
    853,281.36x = 1,279,995.54 × 222,196.32
  4. Step 4: Simplify right side
    853,281.36x = 284,410,298,604.41
  5. Step 5: Solve for x
    x = 284,410,298,604.41/853,281.36
  6. Step 6: Final answer
    x = 333,313.62

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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.