Finding the Fourth Proportional to 793,742.08, 1,190,777.15 and 261,295.06
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Solution
The fourth proportional to 793,742.08, 1,190,777.15 and 261,295.06 is: 391,996.59
Step by Step Solution
- Step 1: Write the proportion equation
793,742.08 : 1,190,777.15 = 261,295.06 : x - Step 2: Convert to fraction form
793,742.08/1,190,777.15 = 261,295.06/x - Step 3: Cross multiply
793,742.08x = 1,190,777.15 × 261,295.06 - Step 4: Simplify right side
793,742.08x = 311,144,186,855.88 - Step 5: Solve for x
x = 311,144,186,855.88/793,742.08 - Step 6: Final answer
x = 391,996.59
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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.