Home / 1,674,712.56-2,511,767.60-443,728.78

Finding the Fourth Proportional to 1,674,712.56, 2,511,767.60 and 443,728.78

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Solution

The fourth proportional to 1,674,712.56, 2,511,767.60 and 443,728.78 is: 665,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,712.56 : 2,511,767.60 = 443,728.78 : x
  2. Step 2: Convert to fraction form
    1,674,712.56/2,511,767.60 = 443,728.78/x
  3. Step 3: Cross multiply
    1,674,712.56x = 2,511,767.60 × 443,728.78
  4. Step 4: Simplify right side
    1,674,712.56x = 1,114,543,581,334.13
  5. Step 5: Solve for x
    x = 1,114,543,581,334.13/1,674,712.56
  6. Step 6: Final answer
    x = 665,513.36

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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.