Home / 1,261,366.25-1,892,783.71-531,843.72

Finding the Fourth Proportional to 1,261,366.25, 1,892,783.71 and 531,843.72

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Solution

The fourth proportional to 1,261,366.25, 1,892,783.71 and 531,843.72 is: 798,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,366.25 : 1,892,783.71 = 531,843.72 : x
  2. Step 2: Convert to fraction form
    1,261,366.25/1,892,783.71 = 531,843.72/x
  3. Step 3: Cross multiply
    1,261,366.25x = 1,892,783.71 × 531,843.72
  4. Step 4: Simplify right side
    1,261,366.25x = 1,006,665,129,481.80
  5. Step 5: Solve for x
    x = 1,006,665,129,481.80/1,261,366.25
  6. Step 6: Final answer
    x = 798,075.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.