Finding the Fourth Proportional to 1,328,638.14, 1,833,622.11 and 755,644.14
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Solution
The fourth proportional to 1,328,638.14, 1,833,622.11 and 755,644.14 is: 1,042,846.63
Step by Step Solution
- Step 1: Write the proportion equation
1,328,638.14 : 1,833,622.11 = 755,644.14 : x - Step 2: Convert to fraction form
1,328,638.14/1,833,622.11 = 755,644.14/x - Step 3: Cross multiply
1,328,638.14x = 1,833,622.11 × 755,644.14 - Step 4: Simplify right side
1,328,638.14x = 1,385,565,802,395.94 - Step 5: Solve for x
x = 1,385,565,802,395.94/1,328,638.14 - Step 6: Final answer
x = 1,042,846.63
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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.