Home / 397,729.20-595,937.70-374,109.60

Finding the Fourth Proportional to 397,729.20, 595,937.70 and 374,109.60

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Solution

The fourth proportional to 397,729.20, 595,937.70 and 374,109.60 is: 560,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,729.20 : 595,937.70 = 374,109.60 : x
  2. Step 2: Convert to fraction form
    397,729.20/595,937.70 = 374,109.60/x
  3. Step 3: Cross multiply
    397,729.20x = 595,937.70 × 374,109.60
  4. Step 4: Simplify right side
    397,729.20x = 222,946,014,571.92
  5. Step 5: Solve for x
    x = 222,946,014,571.92/397,729.20
  6. Step 6: Final answer
    x = 560,547.26

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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.