Finding the Fourth Proportional to 740,935.98, 1,110,222.99 and 474,477.30
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Solution
The fourth proportional to 740,935.98, 1,110,222.99 and 474,477.30 is: 710,959.68
Step by Step Solution
- Step 1: Write the proportion equation
740,935.98 : 1,110,222.99 = 474,477.30 : x - Step 2: Convert to fraction form
740,935.98/1,110,222.99 = 474,477.30/x - Step 3: Cross multiply
740,935.98x = 1,110,222.99 × 474,477.30 - Step 4: Simplify right side
740,935.98x = 526,775,606,693.13 - Step 5: Solve for x
x = 526,775,606,693.13/740,935.98 - Step 6: Final answer
x = 710,959.68
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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.