Finding the Fourth Proportional to 1,227,626.99, 1,693,538.49 and 953,821.07
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Solution
The fourth proportional to 1,227,626.99, 1,693,538.49 and 953,821.07 is: 1,315,817.19
Step by Step Solution
- Step 1: Write the proportion equation
1,227,626.99 : 1,693,538.49 = 953,821.07 : x - Step 2: Convert to fraction form
1,227,626.99/1,693,538.49 = 953,821.07/x - Step 3: Cross multiply
1,227,626.99x = 1,693,538.49 × 953,821.07 - Step 4: Simplify right side
1,227,626.99x = 1,615,332,694,617.98 - Step 5: Solve for x
x = 1,615,332,694,617.98/1,227,626.99 - Step 6: Final answer
x = 1,315,817.19
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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.