Finding the Fourth Proportional to 741,818.11, 1,023,763.98 and 415,163.86
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Solution
The fourth proportional to 741,818.11, 1,023,763.98 and 415,163.86 is: 572,956.90
Step by Step Solution
- Step 1: Write the proportion equation
741,818.11 : 1,023,763.98 = 415,163.86 : x - Step 2: Convert to fraction form
741,818.11/1,023,763.98 = 415,163.86/x - Step 3: Cross multiply
741,818.11x = 1,023,763.98 × 415,163.86 - Step 4: Simplify right side
741,818.11x = 425,029,805,665.76 - Step 5: Solve for x
x = 425,029,805,665.76/741,818.11 - Step 6: Final answer
x = 572,956.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.