Home / 1,403,438.57-1,936,770.44-823,080.27

Finding the Fourth Proportional to 1,403,438.57, 1,936,770.44 and 823,080.27

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Solution

The fourth proportional to 1,403,438.57, 1,936,770.44 and 823,080.27 is: 1,135,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,438.57 : 1,936,770.44 = 823,080.27 : x
  2. Step 2: Convert to fraction form
    1,403,438.57/1,936,770.44 = 823,080.27/x
  3. Step 3: Cross multiply
    1,403,438.57x = 1,936,770.44 × 823,080.27
  4. Step 4: Simplify right side
    1,403,438.57x = 1,594,117,532,567.82
  5. Step 5: Solve for x
    x = 1,594,117,532,567.82/1,403,438.57
  6. Step 6: Final answer
    x = 1,135,865.56

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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.