Finding the Fourth Proportional to 1,037,107.20, 1,555,660.86 and 327,190.62
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Solution
The fourth proportional to 1,037,107.20, 1,555,660.86 and 327,190.62 is: 490,785.95
Step by Step Solution
- Step 1: Write the proportion equation
1,037,107.20 : 1,555,660.86 = 327,190.62 : x - Step 2: Convert to fraction form
1,037,107.20/1,555,660.86 = 327,190.62/x - Step 3: Cross multiply
1,037,107.20x = 1,555,660.86 × 327,190.62 - Step 4: Simplify right side
1,037,107.20x = 508,997,641,293.13 - Step 5: Solve for x
x = 508,997,641,293.13/1,037,107.20 - Step 6: Final answer
x = 490,785.95
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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.