Finding the Fourth Proportional to 1,174,759.19, 1,621,136.18 and 691,352.81
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Solution
The fourth proportional to 1,174,759.19, 1,621,136.18 and 691,352.81 is: 954,048.33
Step by Step Solution
- Step 1: Write the proportion equation
1,174,759.19 : 1,621,136.18 = 691,352.81 : x - Step 2: Convert to fraction form
1,174,759.19/1,621,136.18 = 691,352.81/x - Step 3: Cross multiply
1,174,759.19x = 1,621,136.18 × 691,352.81 - Step 4: Simplify right side
1,174,759.19x = 1,120,777,041,873.22 - Step 5: Solve for x
x = 1,120,777,041,873.22/1,174,759.19 - Step 6: Final answer
x = 954,048.33
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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.