Finding the Fourth Proportional to 1,131,582.97, 1,561,536.93 and 641,585.44
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Solution
The fourth proportional to 1,131,582.97, 1,561,536.93 and 641,585.44 is: 885,360.94
Step by Step Solution
- Step 1: Write the proportion equation
1,131,582.97 : 1,561,536.93 = 641,585.44 : x - Step 2: Convert to fraction form
1,131,582.97/1,561,536.93 = 641,585.44/x - Step 3: Cross multiply
1,131,582.97x = 1,561,536.93 × 641,585.44 - Step 4: Simplify right side
1,131,582.97x = 1,001,859,358,310.30 - Step 5: Solve for x
x = 1,001,859,358,310.30/1,131,582.97 - Step 6: Final answer
x = 885,360.94
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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.