Home / 1,131,570.12-1,561,567.20-622,272.36

Finding the Fourth Proportional to 1,131,570.12, 1,561,567.20 and 622,272.36

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Solution

The fourth proportional to 1,131,570.12, 1,561,567.20 and 622,272.36 is: 858,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,570.12 : 1,561,567.20 = 622,272.36 : x
  2. Step 2: Convert to fraction form
    1,131,570.12/1,561,567.20 = 622,272.36/x
  3. Step 3: Cross multiply
    1,131,570.12x = 1,561,567.20 × 622,272.36
  4. Step 4: Simplify right side
    1,131,570.12x = 971,720,106,842.59
  5. Step 5: Solve for x
    x = 971,720,106,842.59/1,131,570.12
  6. Step 6: Final answer
    x = 858,736.10

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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.