Home / 483,827.22-667,820.73-280,015.91

Finding the Fourth Proportional to 483,827.22, 667,820.73 and 280,015.91

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Solution

The fourth proportional to 483,827.22, 667,820.73 and 280,015.91 is: 386,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,827.22 : 667,820.73 = 280,015.91 : x
  2. Step 2: Convert to fraction form
    483,827.22/667,820.73 = 280,015.91/x
  3. Step 3: Cross multiply
    483,827.22x = 667,820.73 × 280,015.91
  4. Step 4: Simplify right side
    483,827.22x = 187,000,424,932.67
  5. Step 5: Solve for x
    x = 187,000,424,932.67/483,827.22
  6. Step 6: Final answer
    x = 386,502.49

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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.