Finding the Fourth Proportional to 1,236,406.80, 1,854,133.92 and 437,539.44
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Solution
The fourth proportional to 1,236,406.80, 1,854,133.92 and 437,539.44 is: 656,140.61
Step by Step Solution
- Step 1: Write the proportion equation
1,236,406.80 : 1,854,133.92 = 437,539.44 : x - Step 2: Convert to fraction form
1,236,406.80/1,854,133.92 = 437,539.44/x - Step 3: Cross multiply
1,236,406.80x = 1,854,133.92 × 437,539.44 - Step 4: Simplify right side
1,236,406.80x = 811,256,717,041.81 - Step 5: Solve for x
x = 811,256,717,041.81/1,236,406.80 - Step 6: Final answer
x = 656,140.61
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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.