Finding the Fourth Proportional to 1,186,449.87, 1,779,392.54 and 512,162.23
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Solution
The fourth proportional to 1,186,449.87, 1,779,392.54 and 512,162.23 is: 768,121.50
Step by Step Solution
- Step 1: Write the proportion equation
1,186,449.87 : 1,779,392.54 = 512,162.23 : x - Step 2: Convert to fraction form
1,186,449.87/1,779,392.54 = 512,162.23/x - Step 3: Cross multiply
1,186,449.87x = 1,779,392.54 × 512,162.23 - Step 4: Simplify right side
1,186,449.87x = 911,337,651,331.76 - Step 5: Solve for x
x = 911,337,651,331.76/1,186,449.87 - Step 6: Final answer
x = 768,121.50
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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.