Finding the Fourth Proportional to 1,711,512.23, 2,362,045.30 and 947,565.79
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Solution
The fourth proportional to 1,711,512.23, 2,362,045.30 and 947,565.79 is: 1,307,728.50
Step by Step Solution
- Step 1: Write the proportion equation
1,711,512.23 : 2,362,045.30 = 947,565.79 : x - Step 2: Convert to fraction form
1,711,512.23/2,362,045.30 = 947,565.79/x - Step 3: Cross multiply
1,711,512.23x = 2,362,045.30 × 947,565.79 - Step 4: Simplify right side
1,711,512.23x = 2,238,193,312,436.26 - Step 5: Solve for x
x = 2,238,193,312,436.26/1,711,512.23 - Step 6: Final answer
x = 1,307,728.50
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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.