Finding the Fourth Proportional to 1,457,917.15, 2,186,626.48 and 392,710.09
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Solution
The fourth proportional to 1,457,917.15, 2,186,626.48 and 392,710.09 is: 588,997.99
Step by Step Solution
- Step 1: Write the proportion equation
1,457,917.15 : 2,186,626.48 = 392,710.09 : x - Step 2: Convert to fraction form
1,457,917.15/2,186,626.48 = 392,710.09/x - Step 3: Cross multiply
1,457,917.15x = 2,186,626.48 × 392,710.09 - Step 4: Simplify right side
1,457,917.15x = 858,710,275,308.84 - Step 5: Solve for x
x = 858,710,275,308.84/1,457,917.15 - Step 6: Final answer
x = 588,997.99
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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.