Home / 682,403.74-1,022,379.81-401,767.90

Finding the Fourth Proportional to 682,403.74, 1,022,379.81 and 401,767.90

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Solution

The fourth proportional to 682,403.74, 1,022,379.81 and 401,767.90 is: 601,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,403.74 : 1,022,379.81 = 401,767.90 : x
  2. Step 2: Convert to fraction form
    682,403.74/1,022,379.81 = 401,767.90/x
  3. Step 3: Cross multiply
    682,403.74x = 1,022,379.81 × 401,767.90
  4. Step 4: Simplify right side
    682,403.74x = 410,759,389,266.10
  5. Step 5: Solve for x
    x = 410,759,389,266.10/682,403.74
  6. Step 6: Final answer
    x = 601,930.16

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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.