Finding the Fourth Proportional to 796,278.08, 1,098,863.68 and 438,582.08
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Solution
The fourth proportional to 796,278.08, 1,098,863.68 and 438,582.08 is: 605,243.23
Step by Step Solution
- Step 1: Write the proportion equation
796,278.08 : 1,098,863.68 = 438,582.08 : x - Step 2: Convert to fraction form
796,278.08/1,098,863.68 = 438,582.08/x - Step 3: Cross multiply
796,278.08x = 1,098,863.68 × 438,582.08 - Step 4: Simplify right side
796,278.08x = 481,941,918,410.85 - Step 5: Solve for x
x = 481,941,918,410.85/796,278.08 - Step 6: Final answer
x = 605,243.23
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1.5x scale
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.