Home / 342,823.40-472,939.24-222,003.60

Finding the Fourth Proportional to 342,823.40, 472,939.24 and 222,003.60

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Solution

The fourth proportional to 342,823.40, 472,939.24 and 222,003.60 is: 306,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,823.40 : 472,939.24 = 222,003.60 : x
  2. Step 2: Convert to fraction form
    342,823.40/472,939.24 = 222,003.60/x
  3. Step 3: Cross multiply
    342,823.40x = 472,939.24 × 222,003.60
  4. Step 4: Simplify right side
    342,823.40x = 104,994,213,861.26
  5. Step 5: Solve for x
    x = 104,994,213,861.26/342,823.40
  6. Step 6: Final answer
    x = 306,263.27

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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.