Finding the Fourth Proportional to 1,211,135.93, 1,816,643.49 and 452,921.65
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Solution
The fourth proportional to 1,211,135.93, 1,816,643.49 and 452,921.65 is: 679,359.89
Step by Step Solution
- Step 1: Write the proportion equation
1,211,135.93 : 1,816,643.49 = 452,921.65 : x - Step 2: Convert to fraction form
1,211,135.93/1,816,643.49 = 452,921.65/x - Step 3: Cross multiply
1,211,135.93x = 1,816,643.49 × 452,921.65 - Step 4: Simplify right side
1,211,135.93x = 822,797,166,952.56 - Step 5: Solve for x
x = 822,797,166,952.56/1,211,135.93 - Step 6: Final answer
x = 679,359.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.