Home / 644,979.71-967,469.57-245,805.23

Finding the Fourth Proportional to 644,979.71, 967,469.57 and 245,805.23

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Solution

The fourth proportional to 644,979.71, 967,469.57 and 245,805.23 is: 368,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,979.71 : 967,469.57 = 245,805.23 : x
  2. Step 2: Convert to fraction form
    644,979.71/967,469.57 = 245,805.23/x
  3. Step 3: Cross multiply
    644,979.71x = 967,469.57 × 245,805.23
  4. Step 4: Simplify right side
    644,979.71x = 237,809,082,283.27
  5. Step 5: Solve for x
    x = 237,809,082,283.27/644,979.71
  6. Step 6: Final answer
    x = 368,707.85

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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.