Finding the Fourth Proportional to 1,418,391.38, 1,957,370.70 and 806,544.19
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Solution
The fourth proportional to 1,418,391.38, 1,957,370.70 and 806,544.19 is: 1,113,025.63
Step by Step Solution
- Step 1: Write the proportion equation
1,418,391.38 : 1,957,370.70 = 806,544.19 : x - Step 2: Convert to fraction form
1,418,391.38/1,957,370.70 = 806,544.19/x - Step 3: Cross multiply
1,418,391.38x = 1,957,370.70 × 806,544.19 - Step 4: Simplify right side
1,418,391.38x = 1,578,705,953,417.06 - Step 5: Solve for x
x = 1,578,705,953,417.06/1,418,391.38 - Step 6: Final answer
x = 1,113,025.63
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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.