Home / 629,619.47-944,707.43-330,028.41

Finding the Fourth Proportional to 629,619.47, 944,707.43 and 330,028.41

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Solution

The fourth proportional to 629,619.47, 944,707.43 and 330,028.41 is: 495,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,619.47 : 944,707.43 = 330,028.41 : x
  2. Step 2: Convert to fraction form
    629,619.47/944,707.43 = 330,028.41/x
  3. Step 3: Cross multiply
    629,619.47x = 944,707.43 × 330,028.41
  4. Step 4: Simplify right side
    629,619.47x = 311,780,291,863.16
  5. Step 5: Solve for x
    x = 311,780,291,863.16/629,619.47
  6. Step 6: Final answer
    x = 495,188.46

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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.