Finding the Fourth Proportional to 1,085,859.33, 1,498,640.70 and 626,882.14
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Solution
The fourth proportional to 1,085,859.33, 1,498,640.70 and 626,882.14 is: 865,186.74
Step by Step Solution
- Step 1: Write the proportion equation
1,085,859.33 : 1,498,640.70 = 626,882.14 : x - Step 2: Convert to fraction form
1,085,859.33/1,498,640.70 = 626,882.14/x - Step 3: Cross multiply
1,085,859.33x = 1,498,640.70 × 626,882.14 - Step 4: Simplify right side
1,085,859.33x = 939,471,089,107.10 - Step 5: Solve for x
x = 939,471,089,107.10/1,085,859.33 - Step 6: Final answer
x = 865,186.74
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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.