Finding the Fourth Proportional to 967,543.68, 1,335,226.36 and 531,979.44
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Solution
The fourth proportional to 967,543.68, 1,335,226.36 and 531,979.44 is: 734,140.47
Step by Step Solution
- Step 1: Write the proportion equation
967,543.68 : 1,335,226.36 = 531,979.44 : x - Step 2: Convert to fraction form
967,543.68/1,335,226.36 = 531,979.44/x - Step 3: Cross multiply
967,543.68x = 1,335,226.36 × 531,979.44 - Step 4: Simplify right side
967,543.68x = 710,312,971,266.04 - Step 5: Solve for x
x = 710,312,971,266.04/967,543.68 - Step 6: Final answer
x = 734,140.47
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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.