Finding the Fourth Proportional to 1,719,841.78, 2,579,820.90 and 457,670.62
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Solution
The fourth proportional to 1,719,841.78, 2,579,820.90 and 457,670.62 is: 686,521.43
Step by Step Solution
- Step 1: Write the proportion equation
1,719,841.78 : 2,579,820.90 = 457,670.62 : x - Step 2: Convert to fraction form
1,719,841.78/2,579,820.90 = 457,670.62/x - Step 3: Cross multiply
1,719,841.78x = 2,579,820.90 × 457,670.62 - Step 4: Simplify right side
1,719,841.78x = 1,180,708,230,791.96 - Step 5: Solve for x
x = 1,180,708,230,791.96/1,719,841.78 - Step 6: Final answer
x = 686,521.43
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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.