Finding the Fourth Proportional to 1,968,587.72, 2,953,293.50 and 831,353.19
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Solution
The fourth proportional to 1,968,587.72, 2,953,293.50 and 831,353.19 is: 1,247,203.74
Step by Step Solution
- Step 1: Write the proportion equation
1,968,587.72 : 2,953,293.50 = 831,353.19 : x - Step 2: Convert to fraction form
1,968,587.72/2,953,293.50 = 831,353.19/x - Step 3: Cross multiply
1,968,587.72x = 2,953,293.50 × 831,353.19 - Step 4: Simplify right side
1,968,587.72x = 2,455,229,972,231.26 - Step 5: Solve for x
x = 2,455,229,972,231.26/1,968,587.72 - Step 6: Final answer
x = 1,247,203.74
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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.