Home / 1,136,447.08-1,568,334.63-620,229.22

Finding the Fourth Proportional to 1,136,447.08, 1,568,334.63 and 620,229.22

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Solution

The fourth proportional to 1,136,447.08, 1,568,334.63 and 620,229.22 is: 855,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,447.08 : 1,568,334.63 = 620,229.22 : x
  2. Step 2: Convert to fraction form
    1,136,447.08/1,568,334.63 = 620,229.22/x
  3. Step 3: Cross multiply
    1,136,447.08x = 1,568,334.63 × 620,229.22
  4. Step 4: Simplify right side
    1,136,447.08x = 972,726,964,263.89
  5. Step 5: Solve for x
    x = 972,726,964,263.89/1,136,447.08
  6. Step 6: Final answer
    x = 855,936.88

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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.