Home / 1,641,744.28-2,265,458.01-916,458.54

Finding the Fourth Proportional to 1,641,744.28, 2,265,458.01 and 916,458.54

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Solution

The fourth proportional to 1,641,744.28, 2,265,458.01 and 916,458.54 is: 1,264,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,744.28 : 2,265,458.01 = 916,458.54 : x
  2. Step 2: Convert to fraction form
    1,641,744.28/2,265,458.01 = 916,458.54/x
  3. Step 3: Cross multiply
    1,641,744.28x = 2,265,458.01 × 916,458.54
  4. Step 4: Simplify right side
    1,641,744.28x = 2,076,198,331,780.44
  5. Step 5: Solve for x
    x = 2,076,198,331,780.44/1,641,744.28
  6. Step 6: Final answer
    x = 1,264,629.55

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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.