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Finding the Fourth Proportional to 885,884.92, 1,222,504.14 and 483,479.80

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Solution

The fourth proportional to 885,884.92, 1,222,504.14 and 483,479.80 is: 667,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,884.92 : 1,222,504.14 = 483,479.80 : x
  2. Step 2: Convert to fraction form
    885,884.92/1,222,504.14 = 483,479.80/x
  3. Step 3: Cross multiply
    885,884.92x = 1,222,504.14 × 483,479.80
  4. Step 4: Simplify right side
    885,884.92x = 591,056,057,106.37
  5. Step 5: Solve for x
    x = 591,056,057,106.37/885,884.92
  6. Step 6: Final answer
    x = 667,192.82

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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.