Finding the Fourth Proportional to 875,140.14, 1,312,931.64 and 244,053.96
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Solution
The fourth proportional to 875,140.14, 1,312,931.64 and 244,053.96 is: 366,142.69
Step by Step Solution
- Step 1: Write the proportion equation
875,140.14 : 1,312,931.64 = 244,053.96 : x - Step 2: Convert to fraction form
875,140.14/1,312,931.64 = 244,053.96/x - Step 3: Cross multiply
875,140.14x = 1,312,931.64 × 244,053.96 - Step 4: Simplify right side
875,140.14x = 320,426,165,951.29 - Step 5: Solve for x
x = 320,426,165,951.29/875,140.14 - Step 6: Final answer
x = 366,142.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.