Finding the Fourth Proportional to 1,719,635.16, 2,579,449.62 and 457,462.80
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Solution
The fourth proportional to 1,719,635.16, 2,579,449.62 and 457,462.80 is: 686,193.37
Step by Step Solution
- Step 1: Write the proportion equation
1,719,635.16 : 2,579,449.62 = 457,462.80 : x - Step 2: Convert to fraction form
1,719,635.16/2,579,449.62 = 457,462.80/x - Step 3: Cross multiply
1,719,635.16x = 2,579,449.62 × 457,462.80 - Step 4: Simplify right side
1,719,635.16x = 1,180,002,245,624.14 - Step 5: Solve for x
x = 1,180,002,245,624.14/1,719,635.16 - Step 6: Final answer
x = 686,193.37
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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.