Finding the Fourth Proportional to 755,281.78, 1,042,377.47 and 424,192
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Solution
The fourth proportional to 755,281.78, 1,042,377.47 and 424,192 is: 585,434.73
Step by Step Solution
- Step 1: Write the proportion equation
755,281.78 : 1,042,377.47 = 424,192 : x - Step 2: Convert to fraction form
755,281.78/1,042,377.47 = 424,192/x - Step 3: Cross multiply
755,281.78x = 1,042,377.47 × 424,192 - Step 4: Simplify right side
755,281.78x = 442,168,183,754.24 - Step 5: Solve for x
x = 442,168,183,754.24/755,281.78 - Step 6: Final answer
x = 585,434.73
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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.