Finding the Fourth Proportional to 831,439.14, 1,147,300.04 and 613,763.48
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Solution
The fourth proportional to 831,439.14, 1,147,300.04 and 613,763.48 is: 846,930.14
Step by Step Solution
- Step 1: Write the proportion equation
831,439.14 : 1,147,300.04 = 613,763.48 : x - Step 2: Convert to fraction form
831,439.14/1,147,300.04 = 613,763.48/x - Step 3: Cross multiply
831,439.14x = 1,147,300.04 × 613,763.48 - Step 4: Simplify right side
831,439.14x = 704,170,865,154.54 - Step 5: Solve for x
x = 704,170,865,154.54/831,439.14 - Step 6: Final answer
x = 846,930.14
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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.