Finding the Fourth Proportional to 1,712,403.76, 2,361,487.05 and 1,023,966.23
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Solution
The fourth proportional to 1,712,403.76, 2,361,487.05 and 1,023,966.23 is: 1,412,098.62
Step by Step Solution
- Step 1: Write the proportion equation
1,712,403.76 : 2,361,487.05 = 1,023,966.23 : x - Step 2: Convert to fraction form
1,712,403.76/2,361,487.05 = 1,023,966.23/x - Step 3: Cross multiply
1,712,403.76x = 2,361,487.05 × 1,023,966.23 - Step 4: Simplify right side
1,712,403.76x = 2,418,082,988,830.46 - Step 5: Solve for x
x = 2,418,082,988,830.46/1,712,403.76 - Step 6: Final answer
x = 1,412,098.62
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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.