Finding the Fourth Proportional to 1,134,912.42, 1,566,190.05 and 625,633.14
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Solution
The fourth proportional to 1,134,912.42, 1,566,190.05 and 625,633.14 is: 863,379.75
Step by Step Solution
- Step 1: Write the proportion equation
1,134,912.42 : 1,566,190.05 = 625,633.14 : x - Step 2: Convert to fraction form
1,134,912.42/1,566,190.05 = 625,633.14/x - Step 3: Cross multiply
1,134,912.42x = 1,566,190.05 × 625,633.14 - Step 4: Simplify right side
1,134,912.42x = 979,860,398,818.26 - Step 5: Solve for x
x = 979,860,398,818.26/1,134,912.42 - Step 6: Final answer
x = 863,379.75
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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.