Home / 483,639.12-667,214.96-302,035.77

Finding the Fourth Proportional to 483,639.12, 667,214.96 and 302,035.77

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Solution

The fourth proportional to 483,639.12, 667,214.96 and 302,035.77 is: 416,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,639.12 : 667,214.96 = 302,035.77 : x
  2. Step 2: Convert to fraction form
    483,639.12/667,214.96 = 302,035.77/x
  3. Step 3: Cross multiply
    483,639.12x = 667,214.96 × 302,035.77
  4. Step 4: Simplify right side
    483,639.12x = 201,522,782,688.94
  5. Step 5: Solve for x
    x = 201,522,782,688.94/483,639.12
  6. Step 6: Final answer
    x = 416,680.07

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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.