Home / 1,543,556.82-2,130,184.36-931,699.82

Finding the Fourth Proportional to 1,543,556.82, 2,130,184.36 and 931,699.82

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Solution

The fourth proportional to 1,543,556.82, 2,130,184.36 and 931,699.82 is: 1,285,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,556.82 : 2,130,184.36 = 931,699.82 : x
  2. Step 2: Convert to fraction form
    1,543,556.82/2,130,184.36 = 931,699.82/x
  3. Step 3: Cross multiply
    1,543,556.82x = 2,130,184.36 × 931,699.82
  4. Step 4: Simplify right side
    1,543,556.82x = 1,984,692,384,778.82
  5. Step 5: Solve for x
    x = 1,984,692,384,778.82/1,543,556.82
  6. Step 6: Final answer
    x = 1,285,791.59

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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.