Home / 886,640.22-1,223,571.32-504,691.59

Finding the Fourth Proportional to 886,640.22, 1,223,571.32 and 504,691.59

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Solution

The fourth proportional to 886,640.22, 1,223,571.32 and 504,691.59 is: 696,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,640.22 : 1,223,571.32 = 504,691.59 : x
  2. Step 2: Convert to fraction form
    886,640.22/1,223,571.32 = 504,691.59/x
  3. Step 3: Cross multiply
    886,640.22x = 1,223,571.32 × 504,691.59
  4. Step 4: Simplify right side
    886,640.22x = 617,526,152,445.74
  5. Step 5: Solve for x
    x = 617,526,152,445.74/886,640.22
  6. Step 6: Final answer
    x = 696,478.84

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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.