Home / 949,636.32-1,424,791.44-318,549.12

Finding the Fourth Proportional to 949,636.32, 1,424,791.44 and 318,549.12

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Solution

The fourth proportional to 949,636.32, 1,424,791.44 and 318,549.12 is: 477,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,636.32 : 1,424,791.44 = 318,549.12 : x
  2. Step 2: Convert to fraction form
    949,636.32/1,424,791.44 = 318,549.12/x
  3. Step 3: Cross multiply
    949,636.32x = 1,424,791.44 × 318,549.12
  4. Step 4: Simplify right side
    949,636.32x = 453,866,059,395.53
  5. Step 5: Solve for x
    x = 453,866,059,395.53/949,636.32
  6. Step 6: Final answer
    x = 477,936.71

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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.