Finding the Fourth Proportional to 1,481,455.38, 2,044,574.34 and 836,917.09
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Solution
The fourth proportional to 1,481,455.38, 2,044,574.34 and 836,917.09 is: 1,155,039.31
Step by Step Solution
- Step 1: Write the proportion equation
1,481,455.38 : 2,044,574.34 = 836,917.09 : x - Step 2: Convert to fraction form
1,481,455.38/2,044,574.34 = 836,917.09/x - Step 3: Cross multiply
1,481,455.38x = 2,044,574.34 × 836,917.09 - Step 4: Simplify right side
1,481,455.38x = 1,711,139,198,671.60 - Step 5: Solve for x
x = 1,711,139,198,671.60/1,481,455.38 - Step 6: Final answer
x = 1,155,039.31
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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.