Finding the Fourth Proportional to 1,216,797.90, 1,823,909.74 and 458,311.19
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Solution
The fourth proportional to 1,216,797.90, 1,823,909.74 and 458,311.19 is: 686,981.99
Step by Step Solution
- Step 1: Write the proportion equation
1,216,797.90 : 1,823,909.74 = 458,311.19 : x - Step 2: Convert to fraction form
1,216,797.90/1,823,909.74 = 458,311.19/x - Step 3: Cross multiply
1,216,797.90x = 1,823,909.74 × 458,311.19 - Step 4: Simplify right side
1,216,797.90x = 835,918,241,100.44 - Step 5: Solve for x
x = 835,918,241,100.44/1,216,797.90 - Step 6: Final answer
x = 686,981.99
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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.