Finding the Fourth Proportional to 941,794.49, 1,299,640.56 and 512,074.98
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Solution
The fourth proportional to 941,794.49, 1,299,640.56 and 512,074.98 is: 706,643.99
Step by Step Solution
- Step 1: Write the proportion equation
941,794.49 : 1,299,640.56 = 512,074.98 : x - Step 2: Convert to fraction form
941,794.49/1,299,640.56 = 512,074.98/x - Step 3: Cross multiply
941,794.49x = 1,299,640.56 × 512,074.98 - Step 4: Simplify right side
941,794.49x = 665,513,413,769.19 - Step 5: Solve for x
x = 665,513,413,769.19/941,794.49 - Step 6: Final answer
x = 706,643.99
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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.