Finding the Fourth Proportional to 581,603.11, 803,224.19 and 518,203.19
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Solution
The fourth proportional to 581,603.11, 803,224.19 and 518,203.19 is: 715,665.60
Step by Step Solution
- Step 1: Write the proportion equation
581,603.11 : 803,224.19 = 518,203.19 : x - Step 2: Convert to fraction form
581,603.11/803,224.19 = 518,203.19/x - Step 3: Cross multiply
581,603.11x = 803,224.19 × 518,203.19 - Step 4: Simplify right side
581,603.11x = 416,233,336,960.21 - Step 5: Solve for x
x = 416,233,336,960.21/581,603.11 - Step 6: Final answer
x = 715,665.60
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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.