Finding the Fourth Proportional to 719,326.24, 992,521.98 and 413,343.49
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Solution
The fourth proportional to 719,326.24, 992,521.98 and 413,343.49 is: 570,328.84
Step by Step Solution
- Step 1: Write the proportion equation
719,326.24 : 992,521.98 = 413,343.49 : x - Step 2: Convert to fraction form
719,326.24/992,521.98 = 413,343.49/x - Step 3: Cross multiply
719,326.24x = 992,521.98 × 413,343.49 - Step 4: Simplify right side
719,326.24x = 410,252,499,114.91 - Step 5: Solve for x
x = 410,252,499,114.91/719,326.24 - Step 6: Final answer
x = 570,328.84
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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.