Home / 632,629.40-947,894.28-445,247.24

Finding the Fourth Proportional to 632,629.40, 947,894.28 and 445,247.24

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Solution

The fourth proportional to 632,629.40, 947,894.28 and 445,247.24 is: 667,131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,629.40 : 947,894.28 = 445,247.24 : x
  2. Step 2: Convert to fraction form
    632,629.40/947,894.28 = 445,247.24/x
  3. Step 3: Cross multiply
    632,629.40x = 947,894.28 × 445,247.24
  4. Step 4: Simplify right side
    632,629.40x = 422,047,311,981.79
  5. Step 5: Solve for x
    x = 422,047,311,981.79/632,629.40
  6. Step 6: Final answer
    x = 667,131.99

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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.