Finding the Fourth Proportional to 704,920.12, 973,295.29 and 433,352.09
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Solution
The fourth proportional to 704,920.12, 973,295.29 and 433,352.09 is: 598,336.66
Step by Step Solution
- Step 1: Write the proportion equation
704,920.12 : 973,295.29 = 433,352.09 : x - Step 2: Convert to fraction form
704,920.12/973,295.29 = 433,352.09/x - Step 3: Cross multiply
704,920.12x = 973,295.29 × 433,352.09 - Step 4: Simplify right side
704,920.12x = 421,779,551,083.59 - Step 5: Solve for x
x = 421,779,551,083.59/704,920.12 - Step 6: Final answer
x = 598,336.66
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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.