Home / 823,481.49-1,136,404.25-460,905.38

Finding the Fourth Proportional to 823,481.49, 1,136,404.25 and 460,905.38

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Solution

The fourth proportional to 823,481.49, 1,136,404.25 and 460,905.38 is: 636,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,481.49 : 1,136,404.25 = 460,905.38 : x
  2. Step 2: Convert to fraction form
    823,481.49/1,136,404.25 = 460,905.38/x
  3. Step 3: Cross multiply
    823,481.49x = 1,136,404.25 × 460,905.38
  4. Step 4: Simplify right side
    823,481.49x = 523,774,824,693.32
  5. Step 5: Solve for x
    x = 523,774,824,693.32/823,481.49
  6. Step 6: Final answer
    x = 636,049.30

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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.