Home / 1,131,647.08-1,561,637.22-622,347.88

Finding the Fourth Proportional to 1,131,647.08, 1,561,637.22 and 622,347.88

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Solution

The fourth proportional to 1,131,647.08, 1,561,637.22 and 622,347.88 is: 858,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,647.08 : 1,561,637.22 = 622,347.88 : x
  2. Step 2: Convert to fraction form
    1,131,647.08/1,561,637.22 = 622,347.88/x
  3. Step 3: Cross multiply
    1,131,647.08x = 1,561,637.22 × 622,347.88
  4. Step 4: Simplify right side
    1,131,647.08x = 971,881,613,196.09
  5. Step 5: Solve for x
    x = 971,881,613,196.09/1,131,647.08
  6. Step 6: Final answer
    x = 858,820.41

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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.