Home / 1,131,286.20-1,561,205.75-615,074.84

Finding the Fourth Proportional to 1,131,286.20, 1,561,205.75 and 615,074.84

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Solution

The fourth proportional to 1,131,286.20, 1,561,205.75 and 615,074.84 is: 848,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,286.20 : 1,561,205.75 = 615,074.84 : x
  2. Step 2: Convert to fraction form
    1,131,286.20/1,561,205.75 = 615,074.84/x
  3. Step 3: Cross multiply
    1,131,286.20x = 1,561,205.75 × 615,074.84
  4. Step 4: Simplify right side
    1,131,286.20x = 960,258,366,006.93
  5. Step 5: Solve for x
    x = 960,258,366,006.93/1,131,286.20
  6. Step 6: Final answer
    x = 848,820.01

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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.