Finding the Fourth Proportional to 1,183,024.20, 1,774,973.70 and 384,331.80
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Solution
The fourth proportional to 1,183,024.20, 1,774,973.70 and 384,331.80 is: 576,639.80
Step by Step Solution
- Step 1: Write the proportion equation
1,183,024.20 : 1,774,973.70 = 384,331.80 : x - Step 2: Convert to fraction form
1,183,024.20/1,774,973.70 = 384,331.80/x - Step 3: Cross multiply
1,183,024.20x = 1,774,973.70 × 384,331.80 - Step 4: Simplify right side
1,183,024.20x = 682,178,837,073.66 - Step 5: Solve for x
x = 682,178,837,073.66/1,183,024.20 - Step 6: Final answer
x = 576,639.80
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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.