Finding the Fourth Proportional to 1,709,685.91, 2,564,528.34 and 644,478.85
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Solution
The fourth proportional to 1,709,685.91, 2,564,528.34 and 644,478.85 is: 966,718.09
Step by Step Solution
- Step 1: Write the proportion equation
1,709,685.91 : 2,564,528.34 = 644,478.85 : x - Step 2: Convert to fraction form
1,709,685.91/2,564,528.34 = 644,478.85/x - Step 3: Cross multiply
1,709,685.91x = 2,564,528.34 × 644,478.85 - Step 4: Simplify right side
1,709,685.91x = 1,652,784,288,190.80 - Step 5: Solve for x
x = 1,652,784,288,190.80/1,709,685.91 - Step 6: Final answer
x = 966,718.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.