Home / 351,683.20-484,840.80-222,557.44

Finding the Fourth Proportional to 351,683.20, 484,840.80 and 222,557.44

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Solution

The fourth proportional to 351,683.20, 484,840.80 and 222,557.44 is: 306,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,683.20 : 484,840.80 = 222,557.44 : x
  2. Step 2: Convert to fraction form
    351,683.20/484,840.80 = 222,557.44/x
  3. Step 3: Cross multiply
    351,683.20x = 484,840.80 × 222,557.44
  4. Step 4: Simplify right side
    351,683.20x = 107,904,927,255.55
  5. Step 5: Solve for x
    x = 107,904,927,255.55/351,683.20
  6. Step 6: Final answer
    x = 306,824.23

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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.