Home / 886,640.48-1,223,571.66-504,691.84

Finding the Fourth Proportional to 886,640.48, 1,223,571.66 and 504,691.84

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Solution

The fourth proportional to 886,640.48, 1,223,571.66 and 504,691.84 is: 696,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,640.48 : 1,223,571.66 = 504,691.84 : x
  2. Step 2: Convert to fraction form
    886,640.48/1,223,571.66 = 504,691.84/x
  3. Step 3: Cross multiply
    886,640.48x = 1,223,571.66 × 504,691.84
  4. Step 4: Simplify right side
    886,640.48x = 617,526,632,457.25
  5. Step 5: Solve for x
    x = 617,526,632,457.25/886,640.48
  6. Step 6: Final answer
    x = 696,479.18

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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.