Finding the Fourth Proportional to 1,817,812.70, 2,726,719.05 and 619,336.70
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Solution
The fourth proportional to 1,817,812.70, 2,726,719.05 and 619,336.70 is: 929,005.05
Step by Step Solution
- Step 1: Write the proportion equation
1,817,812.70 : 2,726,719.05 = 619,336.70 : x - Step 2: Convert to fraction form
1,817,812.70/2,726,719.05 = 619,336.70/x - Step 3: Cross multiply
1,817,812.70x = 2,726,719.05 × 619,336.70 - Step 4: Simplify right side
1,817,812.70x = 1,688,757,178,254.13 - Step 5: Solve for x
x = 1,688,757,178,254.13/1,817,812.70 - Step 6: Final answer
x = 929,005.05
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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.