Finding the Fourth Proportional to 706,566.41, 975,062.12 and 396,426.18
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Solution
The fourth proportional to 706,566.41, 975,062.12 and 396,426.18 is: 547,068.39
Step by Step Solution
- Step 1: Write the proportion equation
706,566.41 : 975,062.12 = 396,426.18 : x - Step 2: Convert to fraction form
706,566.41/975,062.12 = 396,426.18/x - Step 3: Cross multiply
706,566.41x = 975,062.12 × 396,426.18 - Step 4: Simplify right side
706,566.41x = 386,540,151,494.30 - Step 5: Solve for x
x = 386,540,151,494.30/706,566.41 - Step 6: Final answer
x = 547,068.39
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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.