Finding the Fourth Proportional to 1,607,778.81, 2,409,833.61 and 647,619.53
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Solution
The fourth proportional to 1,607,778.81, 2,409,833.61 and 647,619.53 is: 970,690.30
Step by Step Solution
- Step 1: Write the proportion equation
1,607,778.81 : 2,409,833.61 = 647,619.53 : x - Step 2: Convert to fraction form
1,607,778.81/2,409,833.61 = 647,619.53/x - Step 3: Cross multiply
1,607,778.81x = 2,409,833.61 × 647,619.53 - Step 4: Simplify right side
1,607,778.81x = 1,560,655,297,837.24 - Step 5: Solve for x
x = 1,560,655,297,837.24/1,607,778.81 - Step 6: Final answer
x = 970,690.30
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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.