Finding the Fourth Proportional to 1,277,533.18, 1,762,550.58 and 818,900.65
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Solution
The fourth proportional to 1,277,533.18, 1,762,550.58 and 818,900.65 is: 1,129,797.52
Step by Step Solution
- Step 1: Write the proportion equation
1,277,533.18 : 1,762,550.58 = 818,900.65 : x - Step 2: Convert to fraction form
1,277,533.18/1,762,550.58 = 818,900.65/x - Step 3: Cross multiply
1,277,533.18x = 1,762,550.58 × 818,900.65 - Step 4: Simplify right side
1,277,533.18x = 1,443,353,820,893.94 - Step 5: Solve for x
x = 1,443,353,820,893.94/1,277,533.18 - Step 6: Final answer
x = 1,129,797.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.