Home / 1,131,457.06-1,561,410.75-622,159.43

Finding the Fourth Proportional to 1,131,457.06, 1,561,410.75 and 622,159.43

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Solution

The fourth proportional to 1,131,457.06, 1,561,410.75 and 622,159.43 is: 858,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,457.06 : 1,561,410.75 = 622,159.43 : x
  2. Step 2: Convert to fraction form
    1,131,457.06/1,561,410.75 = 622,159.43/x
  3. Step 3: Cross multiply
    1,131,457.06x = 1,561,410.75 × 622,159.43
  4. Step 4: Simplify right side
    1,131,457.06x = 971,446,423,775.03
  5. Step 5: Solve for x
    x = 971,446,423,775.03/1,131,457.06
  6. Step 6: Final answer
    x = 858,580.02

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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.