Finding the Fourth Proportional to 1,512,165.19, 2,086,781.71 and 823,834.93
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Solution
The fourth proportional to 1,512,165.19, 2,086,781.71 and 823,834.93 is: 1,136,888.80
Step by Step Solution
- Step 1: Write the proportion equation
1,512,165.19 : 2,086,781.71 = 823,834.93 : x - Step 2: Convert to fraction form
1,512,165.19/2,086,781.71 = 823,834.93/x - Step 3: Cross multiply
1,512,165.19x = 2,086,781.71 × 823,834.93 - Step 4: Simplify right side
1,512,165.19x = 1,719,163,663,983.13 - Step 5: Solve for x
x = 1,719,163,663,983.13/1,512,165.19 - Step 6: Final answer
x = 1,136,888.80
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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.