Home / 879,879.24-1,214,233.38-477,471.24

Finding the Fourth Proportional to 879,879.24, 1,214,233.38 and 477,471.24

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Solution

The fourth proportional to 879,879.24, 1,214,233.38 and 477,471.24 is: 658,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,879.24 : 1,214,233.38 = 477,471.24 : x
  2. Step 2: Convert to fraction form
    879,879.24/1,214,233.38 = 477,471.24/x
  3. Step 3: Cross multiply
    879,879.24x = 1,214,233.38 × 477,471.24
  4. Step 4: Simplify right side
    879,879.24x = 579,761,517,597.99
  5. Step 5: Solve for x
    x = 579,761,517,597.99/879,879.24
  6. Step 6: Final answer
    x = 658,910.33

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Double scale
Find fourth proportional to 879,880.24, 1,214,234.76 and 477,472.24
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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.