Finding the Fourth Proportional to 893,560.24, 1,233,119.92 and 485,662.24
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Solution
The fourth proportional to 893,560.24, 1,233,119.92 and 485,662.24 is: 670,217.58
Step by Step Solution
- Step 1: Write the proportion equation
893,560.24 : 1,233,119.92 = 485,662.24 : x - Step 2: Convert to fraction form
893,560.24/1,233,119.92 = 485,662.24/x - Step 3: Cross multiply
893,560.24x = 1,233,119.92 × 485,662.24 - Step 4: Simplify right side
893,560.24x = 598,879,782,535.82 - Step 5: Solve for x
x = 598,879,782,535.82/893,560.24 - Step 6: Final answer
x = 670,217.58
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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.