Finding the Fourth Proportional to 1,517,747.36, 2,094,409.11 and 838,640.12
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Solution
The fourth proportional to 1,517,747.36, 2,094,409.11 and 838,640.12 is: 1,157,277.92
Step by Step Solution
- Step 1: Write the proportion equation
1,517,747.36 : 2,094,409.11 = 838,640.12 : x - Step 2: Convert to fraction form
1,517,747.36/2,094,409.11 = 838,640.12/x - Step 3: Cross multiply
1,517,747.36x = 2,094,409.11 × 838,640.12 - Step 4: Simplify right side
1,517,747.36x = 1,756,455,496,867.45 - Step 5: Solve for x
x = 1,756,455,496,867.45/1,517,747.36 - Step 6: Final answer
x = 1,157,277.92
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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.