Home / 699,583.20-1,048,165.20-324,837.60

Finding the Fourth Proportional to 699,583.20, 1,048,165.20 and 324,837.60

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Solution

The fourth proportional to 699,583.20, 1,048,165.20 and 324,837.60 is: 486,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,583.20 : 1,048,165.20 = 324,837.60 : x
  2. Step 2: Convert to fraction form
    699,583.20/1,048,165.20 = 324,837.60/x
  3. Step 3: Cross multiply
    699,583.20x = 1,048,165.20 × 324,837.60
  4. Step 4: Simplify right side
    699,583.20x = 340,483,467,971.52
  5. Step 5: Solve for x
    x = 340,483,467,971.52/699,583.20
  6. Step 6: Final answer
    x = 486,694.75

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1.5x scale

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.