Finding the Fourth Proportional to 1,974,719.12, 2,961,776.14 and 626,706.99
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Solution
The fourth proportional to 1,974,719.12, 2,961,776.14 and 626,706.99 is: 939,964.47
Step by Step Solution
- Step 1: Write the proportion equation
1,974,719.12 : 2,961,776.14 = 626,706.99 : x - Step 2: Convert to fraction form
1,974,719.12/2,961,776.14 = 626,706.99/x - Step 3: Cross multiply
1,974,719.12x = 2,961,776.14 × 626,706.99 - Step 4: Simplify right side
1,974,719.12x = 1,856,165,808,186.45 - Step 5: Solve for x
x = 1,856,165,808,186.45/1,974,719.12 - Step 6: Final answer
x = 939,964.47
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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.