Finding the Fourth Proportional to 1,512,257.55, 2,086,896.24 and 823,958.07
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Solution
The fourth proportional to 1,512,257.55, 2,086,896.24 and 823,958.07 is: 1,137,051.69
Step by Step Solution
- Step 1: Write the proportion equation
1,512,257.55 : 2,086,896.24 = 823,958.07 : x - Step 2: Convert to fraction form
1,512,257.55/2,086,896.24 = 823,958.07/x - Step 3: Cross multiply
1,512,257.55x = 2,086,896.24 × 823,958.07 - Step 4: Simplify right side
1,512,257.55x = 1,719,514,998,200.66 - Step 5: Solve for x
x = 1,719,514,998,200.66/1,512,257.55 - Step 6: Final answer
x = 1,137,051.69
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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.