Home / 861,530.77-1,291,131.57-622,054.27

Finding the Fourth Proportional to 861,530.77, 1,291,131.57 and 622,054.27

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Solution

The fourth proportional to 861,530.77, 1,291,131.57 and 622,054.27 is: 932,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,530.77 : 1,291,131.57 = 622,054.27 : x
  2. Step 2: Convert to fraction form
    861,530.77/1,291,131.57 = 622,054.27/x
  3. Step 3: Cross multiply
    861,530.77x = 1,291,131.57 × 622,054.27
  4. Step 4: Simplify right side
    861,530.77x = 803,153,899,794.65
  5. Step 5: Solve for x
    x = 803,153,899,794.65/861,530.77
  6. Step 6: Final answer
    x = 932,240.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.