Home / 1,297,224.54-1,790,916.66-862,231.50

Finding the Fourth Proportional to 1,297,224.54, 1,790,916.66 and 862,231.50

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Solution

The fourth proportional to 1,297,224.54, 1,790,916.66 and 862,231.50 is: 1,190,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,224.54 : 1,790,916.66 = 862,231.50 : x
  2. Step 2: Convert to fraction form
    1,297,224.54/1,790,916.66 = 862,231.50/x
  3. Step 3: Cross multiply
    1,297,224.54x = 1,790,916.66 × 862,231.50
  4. Step 4: Simplify right side
    1,297,224.54x = 1,544,184,758,126.79
  5. Step 5: Solve for x
    x = 1,544,184,758,126.79/1,297,224.54
  6. Step 6: Final answer
    x = 1,190,375.85

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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.