Home / 1,561,193-2,154,449.94-872,889.38

Finding the Fourth Proportional to 1,561,193, 2,154,449.94 and 872,889.38

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Solution

The fourth proportional to 1,561,193, 2,154,449.94 and 872,889.38 is: 1,204,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,193 : 2,154,449.94 = 872,889.38 : x
  2. Step 2: Convert to fraction form
    1,561,193/2,154,449.94 = 872,889.38/x
  3. Step 3: Cross multiply
    1,561,193x = 2,154,449.94 × 872,889.38
  4. Step 4: Simplify right side
    1,561,193x = 1,880,596,472,367.64
  5. Step 5: Solve for x
    x = 1,880,596,472,367.64/1,561,193
  6. Step 6: Final answer
    x = 1,204,589.36

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1.5x scale

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.