Finding the Fourth Proportional to 884,235.99, 1,220,245.44 and 481,827.99
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Solution
The fourth proportional to 884,235.99, 1,220,245.44 and 481,827.99 is: 664,922.50
Step by Step Solution
- Step 1: Write the proportion equation
884,235.99 : 1,220,245.44 = 481,827.99 : x - Step 2: Convert to fraction form
884,235.99/1,220,245.44 = 481,827.99/x - Step 3: Cross multiply
884,235.99x = 1,220,245.44 × 481,827.99 - Step 4: Simplify right side
884,235.99x = 587,948,407,661.87 - Step 5: Solve for x
x = 587,948,407,661.87/884,235.99 - Step 6: Final answer
x = 664,922.50
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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.