Finding the Fourth Proportional to 1,719,836.24, 2,579,812.61 and 457,665.08
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Solution
The fourth proportional to 1,719,836.24, 2,579,812.61 and 457,665.08 is: 686,513.11
Step by Step Solution
- Step 1: Write the proportion equation
1,719,836.24 : 2,579,812.61 = 457,665.08 : x - Step 2: Convert to fraction form
1,719,836.24/2,579,812.61 = 457,665.08/x - Step 3: Cross multiply
1,719,836.24x = 2,579,812.61 × 457,665.08 - Step 4: Simplify right side
1,719,836.24x = 1,180,690,129,353.27 - Step 5: Solve for x
x = 1,180,690,129,353.27/1,719,836.24 - Step 6: Final answer
x = 686,513.11
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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.