Finding the Fourth Proportional to 4,182,455.60, 6,273,553.80 and 1,190,639.60
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Solution
The fourth proportional to 4,182,455.60, 6,273,553.80 and 1,190,639.60 is: 1,785,922.51
Step by Step Solution
- Step 1: Write the proportion equation
4,182,455.60 : 6,273,553.80 = 1,190,639.60 : x - Step 2: Convert to fraction form
4,182,455.60/6,273,553.80 = 1,190,639.60/x - Step 3: Cross multiply
4,182,455.60x = 6,273,553.80 × 1,190,639.60 - Step 4: Simplify right side
4,182,455.60x = 7,469,541,587,010.48 - Step 5: Solve for x
x = 7,469,541,587,010.48/4,182,455.60 - Step 6: Final answer
x = 1,785,922.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.