Finding the Fourth Proportional to 1,693,576.87, 2,337,138.65 and 919,207.99
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Solution
The fourth proportional to 1,693,576.87, 2,337,138.65 and 919,207.99 is: 1,268,508.42
Step by Step Solution
- Step 1: Write the proportion equation
1,693,576.87 : 2,337,138.65 = 919,207.99 : x - Step 2: Convert to fraction form
1,693,576.87/2,337,138.65 = 919,207.99/x - Step 3: Cross multiply
1,693,576.87x = 2,337,138.65 × 919,207.99 - Step 4: Simplify right side
1,693,576.87x = 2,148,316,516,221.77 - Step 5: Solve for x
x = 2,148,316,516,221.77/1,693,576.87 - Step 6: Final answer
x = 1,268,508.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.