Finding the Fourth Proportional to 1,343,805.19, 1,854,451.19 and 740,193.19
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Solution
The fourth proportional to 1,343,805.19, 1,854,451.19 and 740,193.19 is: 1,021,466.62
Step by Step Solution
- Step 1: Write the proportion equation
1,343,805.19 : 1,854,451.19 = 740,193.19 : x - Step 2: Convert to fraction form
1,343,805.19/1,854,451.19 = 740,193.19/x - Step 3: Cross multiply
1,343,805.19x = 1,854,451.19 × 740,193.19 - Step 4: Simplify right side
1,343,805.19x = 1,372,652,139,239.75 - Step 5: Solve for x
x = 1,372,652,139,239.75/1,343,805.19 - Step 6: Final answer
x = 1,021,466.62
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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.