Home / 465,621.32-697,847.64-199,068.54

Finding the Fourth Proportional to 465,621.32, 697,847.64 and 199,068.54

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Solution

The fourth proportional to 465,621.32, 697,847.64 and 199,068.54 is: 298,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,621.32 : 697,847.64 = 199,068.54 : x
  2. Step 2: Convert to fraction form
    465,621.32/697,847.64 = 199,068.54/x
  3. Step 3: Cross multiply
    465,621.32x = 697,847.64 × 199,068.54
  4. Step 4: Simplify right side
    465,621.32x = 138,919,510,837.25
  5. Step 5: Solve for x
    x = 138,919,510,837.25/465,621.32
  6. Step 6: Final answer
    x = 298,352.99

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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.