Home / 1,225,997-1,691,884.32-682,155.72

Finding the Fourth Proportional to 1,225,997, 1,691,884.32 and 682,155.72

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Solution

The fourth proportional to 1,225,997, 1,691,884.32 and 682,155.72 is: 941,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,997 : 1,691,884.32 = 682,155.72 : x
  2. Step 2: Convert to fraction form
    1,225,997/1,691,884.32 = 682,155.72/x
  3. Step 3: Cross multiply
    1,225,997x = 1,691,884.32 × 682,155.72
  4. Step 4: Simplify right side
    1,225,997x = 1,154,128,566,466.31
  5. Step 5: Solve for x
    x = 1,154,128,566,466.31/1,225,997
  6. Step 6: Final answer
    x = 941,379.60

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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.