Finding the Fourth Proportional to 1,719,811.26, 2,579,775.18 and 457,640.10
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Solution
The fourth proportional to 1,719,811.26, 2,579,775.18 and 457,640.10 is: 686,475.66
Step by Step Solution
- Step 1: Write the proportion equation
1,719,811.26 : 2,579,775.18 = 457,640.10 : x - Step 2: Convert to fraction form
1,719,811.26/2,579,775.18 = 457,640.10/x - Step 3: Cross multiply
1,719,811.26x = 2,579,775.18 × 457,640.10 - Step 4: Simplify right side
1,719,811.26x = 1,180,608,571,352.72 - Step 5: Solve for x
x = 1,180,608,571,352.72/1,719,811.26 - Step 6: Final answer
x = 686,475.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.