Home / 672,184.56-1,008,697.16-272,825.28

Finding the Fourth Proportional to 672,184.56, 1,008,697.16 and 272,825.28

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Solution

The fourth proportional to 672,184.56, 1,008,697.16 and 272,825.28 is: 409,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,184.56 : 1,008,697.16 = 272,825.28 : x
  2. Step 2: Convert to fraction form
    672,184.56/1,008,697.16 = 272,825.28/x
  3. Step 3: Cross multiply
    672,184.56x = 1,008,697.16 × 272,825.28
  4. Step 4: Simplify right side
    672,184.56x = 275,198,085,112.21
  5. Step 5: Solve for x
    x = 275,198,085,112.21/672,184.56
  6. Step 6: Final answer
    x = 409,408.52

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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.