Finding the Fourth Proportional to 875,890.48, 1,313,252.24 and 314,852.08
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Solution
The fourth proportional to 875,890.48, 1,313,252.24 and 314,852.08 is: 472,068.38
Step by Step Solution
- Step 1: Write the proportion equation
875,890.48 : 1,313,252.24 = 314,852.08 : x - Step 2: Convert to fraction form
875,890.48/1,313,252.24 = 314,852.08/x - Step 3: Cross multiply
875,890.48x = 1,313,252.24 × 314,852.08 - Step 4: Simplify right side
875,890.48x = 413,480,199,328.66 - Step 5: Solve for x
x = 413,480,199,328.66/875,890.48 - Step 6: Final answer
x = 472,068.38
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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.