Home / 454,999.04-682,629.72-139,502.48

Finding the Fourth Proportional to 454,999.04, 682,629.72 and 139,502.48

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Solution

The fourth proportional to 454,999.04, 682,629.72 and 139,502.48 is: 209,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,999.04 : 682,629.72 = 139,502.48 : x
  2. Step 2: Convert to fraction form
    454,999.04/682,629.72 = 139,502.48/x
  3. Step 3: Cross multiply
    454,999.04x = 682,629.72 × 139,502.48
  4. Step 4: Simplify right side
    454,999.04x = 95,228,538,861.71
  5. Step 5: Solve for x
    x = 95,228,538,861.71/454,999.04
  6. Step 6: Final answer
    x = 209,293.93

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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.