Finding the Fourth Proportional to 1,243,040.44, 1,715,378.58 and 699,176.60
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Solution
The fourth proportional to 1,243,040.44, 1,715,378.58 and 699,176.60 is: 964,854.01
Step by Step Solution
- Step 1: Write the proportion equation
1,243,040.44 : 1,715,378.58 = 699,176.60 : x - Step 2: Convert to fraction form
1,243,040.44/1,715,378.58 = 699,176.60/x - Step 3: Cross multiply
1,243,040.44x = 1,715,378.58 × 699,176.60 - Step 4: Simplify right side
1,243,040.44x = 1,199,352,552,952.39 - Step 5: Solve for x
x = 1,199,352,552,952.39/1,243,040.44 - Step 6: Final answer
x = 964,854.01
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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.