Finding the Fourth Proportional to 1,556,344.36, 2,334,341.20 and 419,189.79
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Solution
The fourth proportional to 1,556,344.36, 2,334,341.20 and 419,189.79 is: 628,737.46
Step by Step Solution
- Step 1: Write the proportion equation
1,556,344.36 : 2,334,341.20 = 419,189.79 : x - Step 2: Convert to fraction form
1,556,344.36/2,334,341.20 = 419,189.79/x - Step 3: Cross multiply
1,556,344.36x = 2,334,341.20 × 419,189.79 - Step 4: Simplify right side
1,556,344.36x = 978,532,000,521.77 - Step 5: Solve for x
x = 978,532,000,521.77/1,556,344.36 - Step 6: Final answer
x = 628,737.46
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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.