Finding the Fourth Proportional to 1,324,590.18, 1,987,181.55 and 483,141.93
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Solution
The fourth proportional to 1,324,590.18, 1,987,181.55 and 483,141.93 is: 724,820.96
Step by Step Solution
- Step 1: Write the proportion equation
1,324,590.18 : 1,987,181.55 = 483,141.93 : x - Step 2: Convert to fraction form
1,324,590.18/1,987,181.55 = 483,141.93/x - Step 3: Cross multiply
1,324,590.18x = 1,987,181.55 × 483,141.93 - Step 4: Simplify right side
1,324,590.18x = 960,090,729,327.39 - Step 5: Solve for x
x = 960,090,729,327.39/1,324,590.18 - Step 6: Final answer
x = 724,820.96
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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.