Finding the Fourth Proportional to 1,136,918.92, 1,568,971.84 and 620,694.58
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Solution
The fourth proportional to 1,136,918.92, 1,568,971.84 and 620,694.58 is: 856,571.48
Step by Step Solution
- Step 1: Write the proportion equation
1,136,918.92 : 1,568,971.84 = 620,694.58 : x - Step 2: Convert to fraction form
1,136,918.92/1,568,971.84 = 620,694.58/x - Step 3: Cross multiply
1,136,918.92x = 1,568,971.84 × 620,694.58 - Step 4: Simplify right side
1,136,918.92x = 973,852,317,260.63 - Step 5: Solve for x
x = 973,852,317,260.63/1,136,918.92 - Step 6: Final answer
x = 856,571.48
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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.