Finding the Fourth Proportional to 1,405,925.48, 2,107,468.11 and 553,595.21
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Solution
The fourth proportional to 1,405,925.48, 2,107,468.11 and 553,595.21 is: 829,833.63
Step by Step Solution
- Step 1: Write the proportion equation
1,405,925.48 : 2,107,468.11 = 553,595.21 : x - Step 2: Convert to fraction form
1,405,925.48/2,107,468.11 = 553,595.21/x - Step 3: Cross multiply
1,405,925.48x = 2,107,468.11 × 553,595.21 - Step 4: Simplify right side
1,405,925.48x = 1,166,684,240,386.41 - Step 5: Solve for x
x = 1,166,684,240,386.41/1,405,925.48 - Step 6: Final answer
x = 829,833.63
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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.