Finding the Fourth Proportional to 713,609.11, 1,070,074.68 and 414,181.47
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Solution
The fourth proportional to 713,609.11, 1,070,074.68 and 414,181.47 is: 621,075.46
Step by Step Solution
- Step 1: Write the proportion equation
713,609.11 : 1,070,074.68 = 414,181.47 : x - Step 2: Convert to fraction form
713,609.11/1,070,074.68 = 414,181.47/x - Step 3: Cross multiply
713,609.11x = 1,070,074.68 × 414,181.47 - Step 4: Simplify right side
713,609.11x = 443,205,103,972.18 - Step 5: Solve for x
x = 443,205,103,972.18/713,609.11 - Step 6: Final answer
x = 621,075.46
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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.