Finding the Fourth Proportional to 903,476.15, 1,246,774.62 and 516,267
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Solution
The fourth proportional to 903,476.15, 1,246,774.62 and 516,267 is: 712,435.62
Step by Step Solution
- Step 1: Write the proportion equation
903,476.15 : 1,246,774.62 = 516,267 : x - Step 2: Convert to fraction form
903,476.15/1,246,774.62 = 516,267/x - Step 3: Cross multiply
903,476.15x = 1,246,774.62 × 516,267 - Step 4: Simplify right side
903,476.15x = 643,668,592,743.54 - Step 5: Solve for x
x = 643,668,592,743.54/903,476.15 - Step 6: Final answer
x = 712,435.62
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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.