Finding the Fourth Proportional to 842,703.34, 1,162,930.62 and 460,730.13
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Solution
The fourth proportional to 842,703.34, 1,162,930.62 and 460,730.13 is: 635,807.59
Step by Step Solution
- Step 1: Write the proportion equation
842,703.34 : 1,162,930.62 = 460,730.13 : x - Step 2: Convert to fraction form
842,703.34/1,162,930.62 = 460,730.13/x - Step 3: Cross multiply
842,703.34x = 1,162,930.62 × 460,730.13 - Step 4: Simplify right side
842,703.34x = 535,797,175,733.58 - Step 5: Solve for x
x = 535,797,175,733.58/842,703.34 - Step 6: Final answer
x = 635,807.59
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1.5x scale
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.