Finding the Fourth Proportional to 741,362.88, 1,102,506.99 and 717,743.28
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Solution
The fourth proportional to 741,362.88, 1,102,506.99 and 717,743.28 is: 1,067,381.45
Step by Step Solution
- Step 1: Write the proportion equation
741,362.88 : 1,102,506.99 = 717,743.28 : x - Step 2: Convert to fraction form
741,362.88/1,102,506.99 = 717,743.28/x - Step 3: Cross multiply
741,362.88x = 1,102,506.99 × 717,743.28 - Step 4: Simplify right side
741,362.88x = 791,316,983,225.53 - Step 5: Solve for x
x = 791,316,983,225.53/741,362.88 - Step 6: Final answer
x = 1,067,381.45
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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.