Home / 857,531.22-1,183,375.31-530,757.51

Finding the Fourth Proportional to 857,531.22, 1,183,375.31 and 530,757.51

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Solution

The fourth proportional to 857,531.22, 1,183,375.31 and 530,757.51 is: 732,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,531.22 : 1,183,375.31 = 530,757.51 : x
  2. Step 2: Convert to fraction form
    857,531.22/1,183,375.31 = 530,757.51/x
  3. Step 3: Cross multiply
    857,531.22x = 1,183,375.31 × 530,757.51
  4. Step 4: Simplify right side
    857,531.22x = 628,085,330,277.29
  5. Step 5: Solve for x
    x = 628,085,330,277.29/857,531.22
  6. Step 6: Final answer
    x = 732,434.36

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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.