Finding the Fourth Proportional to 1,723,888.86, 2,378,966.50 and 999,156.95
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Solution
The fourth proportional to 1,723,888.86, 2,378,966.50 and 999,156.95 is: 1,378,836.52
Step by Step Solution
- Step 1: Write the proportion equation
1,723,888.86 : 2,378,966.50 = 999,156.95 : x - Step 2: Convert to fraction form
1,723,888.86/2,378,966.50 = 999,156.95/x - Step 3: Cross multiply
1,723,888.86x = 2,378,966.50 × 999,156.95 - Step 4: Simplify right side
1,723,888.86x = 2,376,960,912,292.17 - Step 5: Solve for x
x = 2,376,960,912,292.17/1,723,888.86 - Step 6: Final answer
x = 1,378,836.52
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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.