Finding the Fourth Proportional to 1,512,165.39, 2,086,781.94 and 823,835.11
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Solution
The fourth proportional to 1,512,165.39, 2,086,781.94 and 823,835.11 is: 1,136,889.02
Step by Step Solution
- Step 1: Write the proportion equation
1,512,165.39 : 2,086,781.94 = 823,835.11 : x - Step 2: Convert to fraction form
1,512,165.39/2,086,781.94 = 823,835.11/x - Step 3: Cross multiply
1,512,165.39x = 2,086,781.94 × 823,835.11 - Step 4: Simplify right side
1,512,165.39x = 1,719,164,229,085.91 - Step 5: Solve for x
x = 1,719,164,229,085.91/1,512,165.39 - Step 6: Final answer
x = 1,136,889.02
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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.