Finding the Fourth Proportional to 1,679,453.12, 2,518,919.94 and 614,246.06
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Solution
The fourth proportional to 1,679,453.12, 2,518,919.94 and 614,246.06 is: 921,274.09
Step by Step Solution
- Step 1: Write the proportion equation
1,679,453.12 : 2,518,919.94 = 614,246.06 : x - Step 2: Convert to fraction form
1,679,453.12/2,518,919.94 = 614,246.06/x - Step 3: Cross multiply
1,679,453.12x = 2,518,919.94 × 614,246.06 - Step 4: Simplify right side
1,679,453.12x = 1,547,236,648,600.44 - Step 5: Solve for x
x = 1,547,236,648,600.44/1,679,453.12 - Step 6: Final answer
x = 921,274.09
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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.