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Finding the Fourth Proportional to 886,205.91, 1,222,957.94 and 483,797.91

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Solution

The fourth proportional to 886,205.91, 1,222,957.94 and 483,797.91 is: 667,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,205.91 : 1,222,957.94 = 483,797.91 : x
  2. Step 2: Convert to fraction form
    886,205.91/1,222,957.94 = 483,797.91/x
  3. Step 3: Cross multiply
    886,205.91x = 1,222,957.94 × 483,797.91
  4. Step 4: Simplify right side
    886,205.91x = 591,664,492,970.92
  5. Step 5: Solve for x
    x = 591,664,492,970.92/886,205.91
  6. Step 6: Final answer
    x = 667,637.72

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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.