Finding the Fourth Proportional to 921,608.94, 1,271,555.34 and 599,792.70
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Solution
The fourth proportional to 921,608.94, 1,271,555.34 and 599,792.70 is: 827,541.46
Step by Step Solution
- Step 1: Write the proportion equation
921,608.94 : 1,271,555.34 = 599,792.70 : x - Step 2: Convert to fraction form
921,608.94/1,271,555.34 = 599,792.70/x - Step 3: Cross multiply
921,608.94x = 1,271,555.34 × 599,792.70 - Step 4: Simplify right side
921,608.94x = 762,669,610,578.02 - Step 5: Solve for x
x = 762,669,610,578.02/921,608.94 - Step 6: Final answer
x = 827,541.46
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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.