Finding the Fourth Proportional to 692,988, 1,039,482 and 167,676
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Solution
The fourth proportional to 692,988, 1,039,482 and 167,676 is: 251,514
Step by Step Solution
- Step 1: Write the proportion equation
692,988 : 1,039,482 = 167,676 : x - Step 2: Convert to fraction form
692,988/1,039,482 = 167,676/x - Step 3: Cross multiply
692,988x = 1,039,482 × 167,676 - Step 4: Simplify right side
692,988x = 174,296,183,832 - Step 5: Solve for x
x = 174,296,183,832/692,988 - Step 6: Final answer
x = 251,514
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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.