Finding the Fourth Proportional to 1,976,362.58, 2,964,718.92 and 556,430.96
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Solution
The fourth proportional to 1,976,362.58, 2,964,718.92 and 556,430.96 is: 834,695.72
Step by Step Solution
- Step 1: Write the proportion equation
1,976,362.58 : 2,964,718.92 = 556,430.96 : x - Step 2: Convert to fraction form
1,976,362.58/2,964,718.92 = 556,430.96/x - Step 3: Cross multiply
1,976,362.58x = 2,964,718.92 × 556,430.96 - Step 4: Simplify right side
1,976,362.58x = 1,649,661,394,785.76 - Step 5: Solve for x
x = 1,649,661,394,785.76/1,976,362.58 - Step 6: Final answer
x = 834,695.72
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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.