Finding the Fourth Proportional to 845,766.19, 1,167,173.36 and 463,770.19
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Solution
The fourth proportional to 845,766.19, 1,167,173.36 and 463,770.19 is: 640,011.65
Step by Step Solution
- Step 1: Write the proportion equation
845,766.19 : 1,167,173.36 = 463,770.19 : x - Step 2: Convert to fraction form
845,766.19/1,167,173.36 = 463,770.19/x - Step 3: Cross multiply
845,766.19x = 1,167,173.36 × 463,770.19 - Step 4: Simplify right side
845,766.19x = 541,300,210,930.14 - Step 5: Solve for x
x = 541,300,210,930.14/845,766.19 - Step 6: Final answer
x = 640,011.65
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1.5x scale
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.