Finding the Fourth Proportional to 1,277,143.34, 1,913,547.06 and 770,639.99
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Solution
The fourth proportional to 1,277,143.34, 1,913,547.06 and 770,639.99 is: 1,154,651.82
Step by Step Solution
- Step 1: Write the proportion equation
1,277,143.34 : 1,913,547.06 = 770,639.99 : x - Step 2: Convert to fraction form
1,277,143.34/1,913,547.06 = 770,639.99/x - Step 3: Cross multiply
1,277,143.34x = 1,913,547.06 × 770,639.99 - Step 4: Simplify right side
1,277,143.34x = 1,474,655,877,615.19 - Step 5: Solve for x
x = 1,474,655,877,615.19/1,277,143.34 - Step 6: Final answer
x = 1,154,651.82
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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.