Home / 1,256,172.55-1,733,540.07-683,216.62

Finding the Fourth Proportional to 1,256,172.55, 1,733,540.07 and 683,216.62

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Solution

The fourth proportional to 1,256,172.55, 1,733,540.07 and 683,216.62 is: 942,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,172.55 : 1,733,540.07 = 683,216.62 : x
  2. Step 2: Convert to fraction form
    1,256,172.55/1,733,540.07 = 683,216.62/x
  3. Step 3: Cross multiply
    1,256,172.55x = 1,733,540.07 × 683,216.62
  4. Step 4: Simplify right side
    1,256,172.55x = 1,184,383,387,259.96
  5. Step 5: Solve for x
    x = 1,184,383,387,259.96/1,256,172.55
  6. Step 6: Final answer
    x = 942,850.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.