Finding the Fourth Proportional to 1,723,943.26, 2,379,041.68 and 999,211.35
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Solution
The fourth proportional to 1,723,943.26, 2,379,041.68 and 999,211.35 is: 1,378,911.65
Step by Step Solution
- Step 1: Write the proportion equation
1,723,943.26 : 2,379,041.68 = 999,211.35 : x - Step 2: Convert to fraction form
1,723,943.26/2,379,041.68 = 999,211.35/x - Step 3: Cross multiply
1,723,943.26x = 2,379,041.68 × 999,211.35 - Step 4: Simplify right side
1,723,943.26x = 2,377,165,446,281.04 - Step 5: Solve for x
x = 2,377,165,446,281.04/1,723,943.26 - Step 6: Final answer
x = 1,378,911.65
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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.