Finding the Fourth Proportional to 1,135,185.81, 1,566,566.99 and 625,906.29
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Solution
The fourth proportional to 1,135,185.81, 1,566,566.99 and 625,906.29 is: 863,756.51
Step by Step Solution
- Step 1: Write the proportion equation
1,135,185.81 : 1,566,566.99 = 625,906.29 : x - Step 2: Convert to fraction form
1,135,185.81/1,566,566.99 = 625,906.29/x - Step 3: Cross multiply
1,135,185.81x = 1,566,566.99 × 625,906.29 - Step 4: Simplify right side
1,135,185.81x = 980,524,132,747.37 - Step 5: Solve for x
x = 980,524,132,747.37/1,135,185.81 - Step 6: Final answer
x = 863,756.51
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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.