Finding the Fourth Proportional to 4,240,743.13, 6,313,150.94 and 4,215,520.64
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Solution
The fourth proportional to 4,240,743.13, 6,313,150.94 and 4,215,520.64 is: 6,275,602.47
Step by Step Solution
- Step 1: Write the proportion equation
4,240,743.13 : 6,313,150.94 = 4,215,520.64 : x - Step 2: Convert to fraction form
4,240,743.13/6,313,150.94 = 4,215,520.64/x - Step 3: Cross multiply
4,240,743.13x = 6,313,150.94 × 4,215,520.64 - Step 4: Simplify right side
4,240,743.13x = 26,613,218,067,954.94 - Step 5: Solve for x
x = 26,613,218,067,954.94/4,240,743.13 - Step 6: Final answer
x = 6,275,602.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.