Home / 479,880.15-719,266.56-180,169.57

Finding the Fourth Proportional to 479,880.15, 719,266.56 and 180,169.57

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Solution

The fourth proportional to 479,880.15, 719,266.56 and 180,169.57 is: 270,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,880.15 : 719,266.56 = 180,169.57 : x
  2. Step 2: Convert to fraction form
    479,880.15/719,266.56 = 180,169.57/x
  3. Step 3: Cross multiply
    479,880.15x = 719,266.56 × 180,169.57
  4. Step 4: Simplify right side
    479,880.15x = 129,589,946,830.58
  5. Step 5: Solve for x
    x = 129,589,946,830.58/479,880.15
  6. Step 6: Final answer
    x = 270,046.48

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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.