Home / 1,131,633.68-1,561,623.32-622,336

Finding the Fourth Proportional to 1,131,633.68, 1,561,623.32 and 622,336

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Solution

The fourth proportional to 1,131,633.68, 1,561,623.32 and 622,336 is: 858,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,633.68 : 1,561,623.32 = 622,336 : x
  2. Step 2: Convert to fraction form
    1,131,633.68/1,561,623.32 = 622,336/x
  3. Step 3: Cross multiply
    1,131,633.68x = 1,561,623.32 × 622,336
  4. Step 4: Simplify right side
    1,131,633.68x = 971,854,410,475.52
  5. Step 5: Solve for x
    x = 971,854,410,475.52/1,131,633.68
  6. Step 6: Final answer
    x = 858,806.54

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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.