Home / 798,475.20-1,197,712.80-324,916.80

Finding the Fourth Proportional to 798,475.20, 1,197,712.80 and 324,916.80

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Solution

The fourth proportional to 798,475.20, 1,197,712.80 and 324,916.80 is: 487,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,475.20 : 1,197,712.80 = 324,916.80 : x
  2. Step 2: Convert to fraction form
    798,475.20/1,197,712.80 = 324,916.80/x
  3. Step 3: Cross multiply
    798,475.20x = 1,197,712.80 × 324,916.80
  4. Step 4: Simplify right side
    798,475.20x = 389,157,010,295.04
  5. Step 5: Solve for x
    x = 389,157,010,295.04/798,475.20
  6. Step 6: Final answer
    x = 487,375.20

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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.