Finding the Fourth Proportional to 1,577,033.84, 2,365,516.82 and 439,765.74
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Solution
The fourth proportional to 1,577,033.84, 2,365,516.82 and 439,765.74 is: 659,639.15
Step by Step Solution
- Step 1: Write the proportion equation
1,577,033.84 : 2,365,516.82 = 439,765.74 : x - Step 2: Convert to fraction form
1,577,033.84/2,365,516.82 = 439,765.74/x - Step 3: Cross multiply
1,577,033.84x = 2,365,516.82 × 439,765.74 - Step 4: Simplify right side
1,577,033.84x = 1,040,273,254,829.75 - Step 5: Solve for x
x = 1,040,273,254,829.75/1,577,033.84 - Step 6: Final answer
x = 659,639.15
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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.