Finding the Fourth Proportional to 980,822, 1,462,649.86 and 971,853.50
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Solution
The fourth proportional to 980,822, 1,462,649.86 and 971,853.50 is: 1,449,275.59
Step by Step Solution
- Step 1: Write the proportion equation
980,822 : 1,462,649.86 = 971,853.50 : x - Step 2: Convert to fraction form
980,822/1,462,649.86 = 971,853.50/x - Step 3: Cross multiply
980,822x = 1,462,649.86 × 971,853.50 - Step 4: Simplify right side
980,822x = 1,421,481,385,715.51 - Step 5: Solve for x
x = 1,421,481,385,715.51/980,822 - Step 6: Final answer
x = 1,449,275.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.