Home / 1,641,948.44-2,265,865.31-916,807.55

Finding the Fourth Proportional to 1,641,948.44, 2,265,865.31 and 916,807.55

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Solution

The fourth proportional to 1,641,948.44, 2,265,865.31 and 916,807.55 is: 1,265,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,948.44 : 2,265,865.31 = 916,807.55 : x
  2. Step 2: Convert to fraction form
    1,641,948.44/2,265,865.31 = 916,807.55/x
  3. Step 3: Cross multiply
    1,641,948.44x = 2,265,865.31 × 916,807.55
  4. Step 4: Simplify right side
    1,641,948.44x = 2,077,362,414,453.78
  5. Step 5: Solve for x
    x = 2,077,362,414,453.78/1,641,948.44
  6. Step 6: Final answer
    x = 1,265,181.27

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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.