Finding the Fourth Proportional to 1,492,424.09, 2,059,552.20 and 847,879.65
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Solution
The fourth proportional to 1,492,424.09, 2,059,552.20 and 847,879.65 is: 1,170,077.87
Step by Step Solution
- Step 1: Write the proportion equation
1,492,424.09 : 2,059,552.20 = 847,879.65 : x - Step 2: Convert to fraction form
1,492,424.09/2,059,552.20 = 847,879.65/x - Step 3: Cross multiply
1,492,424.09x = 2,059,552.20 × 847,879.65 - Step 4: Simplify right side
1,492,424.09x = 1,746,252,401,672.28 - Step 5: Solve for x
x = 1,746,252,401,672.28/1,492,424.09 - Step 6: Final answer
x = 1,170,077.87
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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.