Finding the Fourth Proportional to 1,136,519.67, 1,568,389.91 and 627,222.09
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Solution
The fourth proportional to 1,136,519.67, 1,568,389.91 and 627,222.09 is: 865,562.49
Step by Step Solution
- Step 1: Write the proportion equation
1,136,519.67 : 1,568,389.91 = 627,222.09 : x - Step 2: Convert to fraction form
1,136,519.67/1,568,389.91 = 627,222.09/x - Step 3: Cross multiply
1,136,519.67x = 1,568,389.91 × 627,222.09 - Step 4: Simplify right side
1,136,519.67x = 983,728,794,149.00 - Step 5: Solve for x
x = 983,728,794,149.00/1,136,519.67 - Step 6: Final answer
x = 865,562.49
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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.