Finding the Fourth Proportional to 1,221,526.33, 1,831,706.19 and 716,241.17
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Solution
The fourth proportional to 1,221,526.33, 1,831,706.19 and 716,241.17 is: 1,074,019.74
Step by Step Solution
- Step 1: Write the proportion equation
1,221,526.33 : 1,831,706.19 = 716,241.17 : x - Step 2: Convert to fraction form
1,221,526.33/1,831,706.19 = 716,241.17/x - Step 3: Cross multiply
1,221,526.33x = 1,831,706.19 × 716,241.17 - Step 4: Simplify right side
1,221,526.33x = 1,311,943,389,201.11 - Step 5: Solve for x
x = 1,311,943,389,201.11/1,221,526.33 - Step 6: Final answer
x = 1,074,019.74
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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.