Finding the Fourth Proportional to 1,185,765.19, 1,778,696.99 and 344,316.94
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Solution
The fourth proportional to 1,185,765.19, 1,778,696.99 and 344,316.94 is: 516,489.69
Step by Step Solution
- Step 1: Write the proportion equation
1,185,765.19 : 1,778,696.99 = 344,316.94 : x - Step 2: Convert to fraction form
1,185,765.19/1,778,696.99 = 344,316.94/x - Step 3: Cross multiply
1,185,765.19x = 1,778,696.99 × 344,316.94 - Step 4: Simplify right side
1,185,765.19x = 612,435,499,906.87 - Step 5: Solve for x
x = 612,435,499,906.87/1,185,765.19 - Step 6: Final answer
x = 516,489.69
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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.