Finding the Fourth Proportional to 1,241,927.80, 1,862,891.70 and 769,535.80
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Solution
The fourth proportional to 1,241,927.80, 1,862,891.70 and 769,535.80 is: 1,154,303.70
Step by Step Solution
- Step 1: Write the proportion equation
1,241,927.80 : 1,862,891.70 = 769,535.80 : x - Step 2: Convert to fraction form
1,241,927.80/1,862,891.70 = 769,535.80/x - Step 3: Cross multiply
1,241,927.80x = 1,862,891.70 × 769,535.80 - Step 4: Simplify right side
1,241,927.80x = 1,433,561,854,672.86 - Step 5: Solve for x
x = 1,433,561,854,672.86/1,241,927.80 - Step 6: Final answer
x = 1,154,303.70
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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.