Finding the Fourth Proportional to 730,324.12, 1,094,581.86 and 413,821.48
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Solution
The fourth proportional to 730,324.12, 1,094,581.86 and 413,821.48 is: 620,219.81
Step by Step Solution
- Step 1: Write the proportion equation
730,324.12 : 1,094,581.86 = 413,821.48 : x - Step 2: Convert to fraction form
730,324.12/1,094,581.86 = 413,821.48/x - Step 3: Cross multiply
730,324.12x = 1,094,581.86 × 413,821.48 - Step 4: Simplify right side
730,324.12x = 452,961,485,286.35 - Step 5: Solve for x
x = 452,961,485,286.35/730,324.12 - Step 6: Final answer
x = 620,219.81
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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.