Finding the Fourth Proportional to 1,039,115.99, 1,433,853.37 and 580,256.05
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Solution
The fourth proportional to 1,039,115.99, 1,433,853.37 and 580,256.05 is: 800,682.60
Step by Step Solution
- Step 1: Write the proportion equation
1,039,115.99 : 1,433,853.37 = 580,256.05 : x - Step 2: Convert to fraction form
1,039,115.99/1,433,853.37 = 580,256.05/x - Step 3: Cross multiply
1,039,115.99x = 1,433,853.37 × 580,256.05 - Step 4: Simplify right side
1,039,115.99x = 832,002,087,720.12 - Step 5: Solve for x
x = 832,002,087,720.12/1,039,115.99 - Step 6: Final answer
x = 800,682.60
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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.