Finding the Fourth Proportional to 1,412,687.11, 1,949,454.46 and 768,107.84
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Solution
The fourth proportional to 1,412,687.11, 1,949,454.46 and 768,107.84 is: 1,059,959.59
Step by Step Solution
- Step 1: Write the proportion equation
1,412,687.11 : 1,949,454.46 = 768,107.84 : x - Step 2: Convert to fraction form
1,412,687.11/1,949,454.46 = 768,107.84/x - Step 3: Cross multiply
1,412,687.11x = 1,949,454.46 × 768,107.84 - Step 4: Simplify right side
1,412,687.11x = 1,497,391,247,655.06 - Step 5: Solve for x
x = 1,497,391,247,655.06/1,412,687.11 - Step 6: Final answer
x = 1,059,959.59
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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.