Finding the Fourth Proportional to 1,838,436.28, 2,758,097.36 and 576,263.91
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Solution
The fourth proportional to 1,838,436.28, 2,758,097.36 and 576,263.91 is: 864,534.71
Step by Step Solution
- Step 1: Write the proportion equation
1,838,436.28 : 2,758,097.36 = 576,263.91 : x - Step 2: Convert to fraction form
1,838,436.28/2,758,097.36 = 576,263.91/x - Step 3: Cross multiply
1,838,436.28x = 2,758,097.36 × 576,263.91 - Step 4: Simplify right side
1,838,436.28x = 1,589,391,968,834.28 - Step 5: Solve for x
x = 1,589,391,968,834.28/1,838,436.28 - Step 6: Final answer
x = 864,534.71
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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.