Finding the Fourth Proportional to 1,277,148.74, 1,913,555.24 and 770,645.41
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Solution
The fourth proportional to 1,277,148.74, 1,913,555.24 and 770,645.41 is: 1,154,660.00
Step by Step Solution
- Step 1: Write the proportion equation
1,277,148.74 : 1,913,555.24 = 770,645.41 : x - Step 2: Convert to fraction form
1,277,148.74/1,913,555.24 = 770,645.41/x - Step 3: Cross multiply
1,277,148.74x = 1,913,555.24 × 770,645.41 - Step 4: Simplify right side
1,277,148.74x = 1,474,672,562,487.45 - Step 5: Solve for x
x = 1,474,672,562,487.45/1,277,148.74 - Step 6: Final answer
x = 1,154,660.00
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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.