Finding the Fourth Proportional to 4,523,626.80, 6,785,440.20 and 4,313,674.80
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Solution
The fourth proportional to 4,523,626.80, 6,785,440.20 and 4,313,674.80 is: 6,470,512.20
Step by Step Solution
- Step 1: Write the proportion equation
4,523,626.80 : 6,785,440.20 = 4,313,674.80 : x - Step 2: Convert to fraction form
4,523,626.80/6,785,440.20 = 4,313,674.80/x - Step 3: Cross multiply
4,523,626.80x = 6,785,440.20 × 4,313,674.80 - Step 4: Simplify right side
4,523,626.80x = 29,270,182,397,646.96 - Step 5: Solve for x
x = 29,270,182,397,646.96/4,523,626.80 - Step 6: Final answer
x = 6,470,512.20
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1.5x scale
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.