Finding the Fourth Proportional to 1,057,907.21, 1,459,917.36 and 574,472.36
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Solution
The fourth proportional to 1,057,907.21, 1,459,917.36 and 574,472.36 is: 792,774.79
Step by Step Solution
- Step 1: Write the proportion equation
1,057,907.21 : 1,459,917.36 = 574,472.36 : x - Step 2: Convert to fraction form
1,057,907.21/1,459,917.36 = 574,472.36/x - Step 3: Cross multiply
1,057,907.21x = 1,459,917.36 × 574,472.36 - Step 4: Simplify right side
1,057,907.21x = 838,682,169,662.14 - Step 5: Solve for x
x = 838,682,169,662.14/1,057,907.21 - Step 6: Final answer
x = 792,774.79
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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.