Finding the Fourth Proportional to 1,719,632.16, 2,579,445.14 and 457,459.79
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Solution
The fourth proportional to 1,719,632.16, 2,579,445.14 and 457,459.79 is: 686,188.85
Step by Step Solution
- Step 1: Write the proportion equation
1,719,632.16 : 2,579,445.14 = 457,459.79 : x - Step 2: Convert to fraction form
1,719,632.16/2,579,445.14 = 457,459.79/x - Step 3: Cross multiply
1,719,632.16x = 2,579,445.14 × 457,459.79 - Step 4: Simplify right side
1,719,632.16x = 1,179,992,416,876.40 - Step 5: Solve for x
x = 1,179,992,416,876.40/1,719,632.16 - Step 6: Final answer
x = 686,188.85
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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.