Finding the Fourth Proportional to 1,217,289.94, 1,825,578 and 458,584
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Solution
The fourth proportional to 1,217,289.94, 1,825,578 and 458,584 is: 687,741.54
Step by Step Solution
- Step 1: Write the proportion equation
1,217,289.94 : 1,825,578 = 458,584 : x - Step 2: Convert to fraction form
1,217,289.94/1,825,578 = 458,584/x - Step 3: Cross multiply
1,217,289.94x = 1,825,578 × 458,584 - Step 4: Simplify right side
1,217,289.94x = 837,180,861,552 - Step 5: Solve for x
x = 837,180,861,552/1,217,289.94 - Step 6: Final answer
x = 687,741.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.