Home / 479,225.20-718,492.20-268,927.60

Finding the Fourth Proportional to 479,225.20, 718,492.20 and 268,927.60

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Solution

The fourth proportional to 479,225.20, 718,492.20 and 268,927.60 is: 403,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,225.20 : 718,492.20 = 268,927.60 : x
  2. Step 2: Convert to fraction form
    479,225.20/718,492.20 = 268,927.60/x
  3. Step 3: Cross multiply
    479,225.20x = 718,492.20 × 268,927.60
  4. Step 4: Simplify right side
    479,225.20x = 193,222,382,964.72
  5. Step 5: Solve for x
    x = 193,222,382,964.72/479,225.20
  6. Step 6: Final answer
    x = 403,197.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.