Finding the Fourth Proportional to 1,719,771.08, 2,579,368.62 and 521,406.92
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Solution
The fourth proportional to 1,719,771.08, 2,579,368.62 and 521,406.92 is: 782,023.06
Step by Step Solution
- Step 1: Write the proportion equation
1,719,771.08 : 2,579,368.62 = 521,406.92 : x - Step 2: Convert to fraction form
1,719,771.08/2,579,368.62 = 521,406.92/x - Step 3: Cross multiply
1,719,771.08x = 2,579,368.62 × 521,406.92 - Step 4: Simplify right side
1,719,771.08x = 1,344,900,647,698.85 - Step 5: Solve for x
x = 1,344,900,647,698.85/1,719,771.08 - Step 6: Final answer
x = 782,023.06
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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.