Finding the Fourth Proportional to 1,554,865.18, 2,332,415.86 and 529,876.91
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Solution
The fourth proportional to 1,554,865.18, 2,332,415.86 and 529,876.91 is: 794,855.61
Step by Step Solution
- Step 1: Write the proportion equation
1,554,865.18 : 2,332,415.86 = 529,876.91 : x - Step 2: Convert to fraction form
1,554,865.18/2,332,415.86 = 529,876.91/x - Step 3: Cross multiply
1,554,865.18x = 2,332,415.86 × 529,876.91 - Step 4: Simplify right side
1,554,865.18x = 1,235,893,313,238.14 - Step 5: Solve for x
x = 1,235,893,313,238.14/1,554,865.18 - Step 6: Final answer
x = 794,855.61
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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.