Home / 1,131,630.68-1,561,619.18-622,333

Finding the Fourth Proportional to 1,131,630.68, 1,561,619.18 and 622,333

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Solution

The fourth proportional to 1,131,630.68, 1,561,619.18 and 622,333 is: 858,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,630.68 : 1,561,619.18 = 622,333 : x
  2. Step 2: Convert to fraction form
    1,131,630.68/1,561,619.18 = 622,333/x
  3. Step 3: Cross multiply
    1,131,630.68x = 1,561,619.18 × 622,333
  4. Step 4: Simplify right side
    1,131,630.68x = 971,847,149,146.94
  5. Step 5: Solve for x
    x = 971,847,149,146.94/1,131,630.68
  6. Step 6: Final answer
    x = 858,802.40

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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.