Finding the Fourth Proportional to 1,236,794.81, 1,854,847.76 and 437,861.84
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Solution
The fourth proportional to 1,236,794.81, 1,854,847.76 and 437,861.84 is: 656,670.81
Step by Step Solution
- Step 1: Write the proportion equation
1,236,794.81 : 1,854,847.76 = 437,861.84 : x - Step 2: Convert to fraction form
1,236,794.81/1,854,847.76 = 437,861.84/x - Step 3: Cross multiply
1,236,794.81x = 1,854,847.76 × 437,861.84 - Step 4: Simplify right side
1,236,794.81x = 812,167,041,649.93 - Step 5: Solve for x
x = 812,167,041,649.93/1,236,794.81 - Step 6: Final answer
x = 656,670.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.