Finding the Fourth Proportional to 1,192,497.12, 1,645,496.56 and 806,153.04
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Solution
The fourth proportional to 1,192,497.12, 1,645,496.56 and 806,153.04 is: 1,112,390.15
Step by Step Solution
- Step 1: Write the proportion equation
1,192,497.12 : 1,645,496.56 = 806,153.04 : x - Step 2: Convert to fraction form
1,192,497.12/1,645,496.56 = 806,153.04/x - Step 3: Cross multiply
1,192,497.12x = 1,645,496.56 × 806,153.04 - Step 4: Simplify right side
1,192,497.12x = 1,326,522,054,153.54 - Step 5: Solve for x
x = 1,326,522,054,153.54/1,192,497.12 - Step 6: Final answer
x = 1,112,390.15
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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.