Finding the Fourth Proportional to 1,020,150.87, 1,530,036 and 412,780
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Solution
The fourth proportional to 1,020,150.87, 1,530,036 and 412,780 is: 619,093.00
Step by Step Solution
- Step 1: Write the proportion equation
1,020,150.87 : 1,530,036 = 412,780 : x - Step 2: Convert to fraction form
1,020,150.87/1,530,036 = 412,780/x - Step 3: Cross multiply
1,020,150.87x = 1,530,036 × 412,780 - Step 4: Simplify right side
1,020,150.87x = 631,568,260,080 - Step 5: Solve for x
x = 631,568,260,080/1,020,150.87 - Step 6: Final answer
x = 619,093.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.