Finding the Fourth Proportional to 1,668,309.68, 2,503,090.92 and 770,181.68
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Solution
The fourth proportional to 1,668,309.68, 2,503,090.92 and 770,181.68 is: 1,155,561.70
Step by Step Solution
- Step 1: Write the proportion equation
1,668,309.68 : 2,503,090.92 = 770,181.68 : x - Step 2: Convert to fraction form
1,668,309.68/2,503,090.92 = 770,181.68/x - Step 3: Cross multiply
1,668,309.68x = 2,503,090.92 × 770,181.68 - Step 4: Simplify right side
1,668,309.68x = 1,927,834,769,958.35 - Step 5: Solve for x
x = 1,927,834,769,958.35/1,668,309.68 - Step 6: Final answer
x = 1,155,561.70
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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.