Finding the Fourth Proportional to 919,585.26, 1,268,992.98 and 511,702.38
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Solution
The fourth proportional to 919,585.26, 1,268,992.98 and 511,702.38 is: 706,129.99
Step by Step Solution
- Step 1: Write the proportion equation
919,585.26 : 1,268,992.98 = 511,702.38 : x - Step 2: Convert to fraction form
919,585.26/1,268,992.98 = 511,702.38/x - Step 3: Cross multiply
919,585.26x = 1,268,992.98 × 511,702.38 - Step 4: Simplify right side
919,585.26x = 649,346,728,069.29 - Step 5: Solve for x
x = 649,346,728,069.29/919,585.26 - Step 6: Final answer
x = 706,129.99
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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.