Finding the Fourth Proportional to 1,215,176.93, 1,676,992.13 and 698,930
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Solution
The fourth proportional to 1,215,176.93, 1,676,992.13 and 698,930 is: 964,550.99
Step by Step Solution
- Step 1: Write the proportion equation
1,215,176.93 : 1,676,992.13 = 698,930 : x - Step 2: Convert to fraction form
1,215,176.93/1,676,992.13 = 698,930/x - Step 3: Cross multiply
1,215,176.93x = 1,676,992.13 × 698,930 - Step 4: Simplify right side
1,215,176.93x = 1,172,100,109,420.90 - Step 5: Solve for x
x = 1,172,100,109,420.90/1,215,176.93 - Step 6: Final answer
x = 964,550.99
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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.