Home / 1,131,866.24-1,561,959.63-615,608.96

Finding the Fourth Proportional to 1,131,866.24, 1,561,959.63 and 615,608.96

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Solution

The fourth proportional to 1,131,866.24, 1,561,959.63 and 615,608.96 is: 849,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,866.24 : 1,561,959.63 = 615,608.96 : x
  2. Step 2: Convert to fraction form
    1,131,866.24/1,561,959.63 = 615,608.96/x
  3. Step 3: Cross multiply
    1,131,866.24x = 1,561,959.63 × 615,608.96
  4. Step 4: Simplify right side
    1,131,866.24x = 961,556,335,576.49
  5. Step 5: Solve for x
    x = 961,556,335,576.49/1,131,866.24
  6. Step 6: Final answer
    x = 849,531.78

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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.