Finding the Fourth Proportional to 759,823.68, 1,048,613.61 and 433,144.47
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Solution
The fourth proportional to 759,823.68, 1,048,613.61 and 433,144.47 is: 597,771.82
Step by Step Solution
- Step 1: Write the proportion equation
759,823.68 : 1,048,613.61 = 433,144.47 : x - Step 2: Convert to fraction form
759,823.68/1,048,613.61 = 433,144.47/x - Step 3: Cross multiply
759,823.68x = 1,048,613.61 × 433,144.47 - Step 4: Simplify right side
759,823.68x = 454,201,186,338.24 - Step 5: Solve for x
x = 454,201,186,338.24/759,823.68 - Step 6: Final answer
x = 597,771.82
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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.