Finding the Fourth Proportional to 1,330,712.01, 1,836,380.75 and 757,752.17
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Solution
The fourth proportional to 1,330,712.01, 1,836,380.75 and 757,752.17 is: 1,045,696.95
Step by Step Solution
- Step 1: Write the proportion equation
1,330,712.01 : 1,836,380.75 = 757,752.17 : x - Step 2: Convert to fraction form
1,330,712.01/1,836,380.75 = 757,752.17/x - Step 3: Cross multiply
1,330,712.01x = 1,836,380.75 × 757,752.17 - Step 4: Simplify right side
1,330,712.01x = 1,391,521,495,562.16 - Step 5: Solve for x
x = 1,391,521,495,562.16/1,330,712.01 - Step 6: Final answer
x = 1,045,696.95
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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.