Finding the Fourth Proportional to 741,377.88, 1,102,529.34 and 717,758.28
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Solution
The fourth proportional to 741,377.88, 1,102,529.34 and 717,758.28 is: 1,067,403.80
Step by Step Solution
- Step 1: Write the proportion equation
741,377.88 : 1,102,529.34 = 717,758.28 : x - Step 2: Convert to fraction form
741,377.88/1,102,529.34 = 717,758.28/x - Step 3: Cross multiply
741,377.88x = 1,102,529.34 × 717,758.28 - Step 4: Simplify right side
741,377.88x = 791,349,562,727.94 - Step 5: Solve for x
x = 791,349,562,727.94/741,377.88 - Step 6: Final answer
x = 1,067,403.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.