Finding the Fourth Proportional to 1,719,805.23, 2,579,766.17 and 457,634.07
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Solution
The fourth proportional to 1,719,805.23, 2,579,766.17 and 457,634.07 is: 686,466.62
Step by Step Solution
- Step 1: Write the proportion equation
1,719,805.23 : 2,579,766.17 = 457,634.07 : x - Step 2: Convert to fraction form
1,719,805.23/2,579,766.17 = 457,634.07/x - Step 3: Cross multiply
1,719,805.23x = 2,579,766.17 × 457,634.07 - Step 4: Simplify right side
1,719,805.23x = 1,180,588,889,737.24 - Step 5: Solve for x
x = 1,180,588,889,737.24/1,719,805.23 - Step 6: Final answer
x = 686,466.62
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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.