Finding the Fourth Proportional to 1,364,135.11, 1,882,869.52 and 805,818.62
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Solution
The fourth proportional to 1,364,135.11, 1,882,869.52 and 805,818.62 is: 1,112,244.17
Step by Step Solution
- Step 1: Write the proportion equation
1,364,135.11 : 1,882,869.52 = 805,818.62 : x - Step 2: Convert to fraction form
1,364,135.11/1,882,869.52 = 805,818.62/x - Step 3: Cross multiply
1,364,135.11x = 1,882,869.52 × 805,818.62 - Step 4: Simplify right side
1,364,135.11x = 1,517,251,323,960.91 - Step 5: Solve for x
x = 1,517,251,323,960.91/1,364,135.11 - Step 6: Final answer
x = 1,112,244.17
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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.