Finding the Fourth Proportional to 1,328,512.96, 1,833,388.40 and 755,635.68
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Solution
The fourth proportional to 1,328,512.96, 1,833,388.40 and 755,635.68 is: 1,042,800.28
Step by Step Solution
- Step 1: Write the proportion equation
1,328,512.96 : 1,833,388.40 = 755,635.68 : x - Step 2: Convert to fraction form
1,328,512.96/1,833,388.40 = 755,635.68/x - Step 3: Cross multiply
1,328,512.96x = 1,833,388.40 × 755,635.68 - Step 4: Simplify right side
1,328,512.96x = 1,385,373,690,338.11 - Step 5: Solve for x
x = 1,385,373,690,338.11/1,328,512.96 - Step 6: Final answer
x = 1,042,800.28
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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.