Finding the Fourth Proportional to 790,183.88, 1,090,336.42 and 479,925
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Solution
The fourth proportional to 790,183.88, 1,090,336.42 and 479,925 is: 662,225.23
Step by Step Solution
- Step 1: Write the proportion equation
790,183.88 : 1,090,336.42 = 479,925 : x - Step 2: Convert to fraction form
790,183.88/1,090,336.42 = 479,925/x - Step 3: Cross multiply
790,183.88x = 1,090,336.42 × 479,925 - Step 4: Simplify right side
790,183.88x = 523,279,705,618.62 - Step 5: Solve for x
x = 523,279,705,618.62/790,183.88 - Step 6: Final answer
x = 662,225.23
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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.