Home / 699,183.95-1,048,022.42-338,591.39

Finding the Fourth Proportional to 699,183.95, 1,048,022.42 and 338,591.39

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Solution

The fourth proportional to 699,183.95, 1,048,022.42 and 338,591.39 is: 507,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,183.95 : 1,048,022.42 = 338,591.39 : x
  2. Step 2: Convert to fraction form
    699,183.95/1,048,022.42 = 338,591.39/x
  3. Step 3: Cross multiply
    699,183.95x = 1,048,022.42 × 338,591.39
  4. Step 4: Simplify right side
    699,183.95x = 354,851,361,005.90
  5. Step 5: Solve for x
    x = 354,851,361,005.90/699,183.95
  6. Step 6: Final answer
    x = 507,522.18

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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.