Finding the Fourth Proportional to 1,292,206.92, 1,783,245.63 and 719,234.79
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Solution
The fourth proportional to 1,292,206.92, 1,783,245.63 and 719,234.79 is: 992,544.05
Step by Step Solution
- Step 1: Write the proportion equation
1,292,206.92 : 1,783,245.63 = 719,234.79 : x - Step 2: Convert to fraction form
1,292,206.92/1,783,245.63 = 719,234.79/x - Step 3: Cross multiply
1,292,206.92x = 1,783,245.63 × 719,234.79 - Step 4: Simplify right side
1,292,206.92x = 1,282,572,296,211.47 - Step 5: Solve for x
x = 1,282,572,296,211.47/1,292,206.92 - Step 6: Final answer
x = 992,544.05
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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.