Finding the Fourth Proportional to 1,723,886.85, 2,378,963.73 and 999,154.94
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Solution
The fourth proportional to 1,723,886.85, 2,378,963.73 and 999,154.94 is: 1,378,833.75
Step by Step Solution
- Step 1: Write the proportion equation
1,723,886.85 : 2,378,963.73 = 999,154.94 : x - Step 2: Convert to fraction form
1,723,886.85/2,378,963.73 = 999,154.94/x - Step 3: Cross multiply
1,723,886.85x = 2,378,963.73 × 999,154.94 - Step 4: Simplify right side
1,723,886.85x = 2,376,953,362,910.33 - Step 5: Solve for x
x = 2,376,953,362,910.33/1,723,886.85 - Step 6: Final answer
x = 1,378,833.75
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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.