Home / 620,180.14-928,913.92-439,718.56

Finding the Fourth Proportional to 620,180.14, 928,913.92 and 439,718.56

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Solution

The fourth proportional to 620,180.14, 928,913.92 and 439,718.56 is: 658,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,180.14 : 928,913.92 = 439,718.56 : x
  2. Step 2: Convert to fraction form
    620,180.14/928,913.92 = 439,718.56/x
  3. Step 3: Cross multiply
    620,180.14x = 928,913.92 × 439,718.56
  4. Step 4: Simplify right side
    620,180.14x = 408,460,691,266.36
  5. Step 5: Solve for x
    x = 408,460,691,266.36/620,180.14
  6. Step 6: Final answer
    x = 658,616.21

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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.