Finding the Fourth Proportional to 1,705,709.12, 2,353,862.70 and 941,768.12
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Solution
The fourth proportional to 1,705,709.12, 2,353,862.70 and 941,768.12 is: 1,299,631.23
Step by Step Solution
- Step 1: Write the proportion equation
1,705,709.12 : 2,353,862.70 = 941,768.12 : x - Step 2: Convert to fraction form
1,705,709.12/2,353,862.70 = 941,768.12/x - Step 3: Cross multiply
1,705,709.12x = 2,353,862.70 × 941,768.12 - Step 4: Simplify right side
1,705,709.12x = 2,216,792,849,717.12 - Step 5: Solve for x
x = 2,216,792,849,717.12/1,705,709.12 - Step 6: Final answer
x = 1,299,631.23
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1.5x scale
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.