Home / 484,984.05-669,046.19-376,813.81

Finding the Fourth Proportional to 484,984.05, 669,046.19 and 376,813.81

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Solution

The fourth proportional to 484,984.05, 669,046.19 and 376,813.81 is: 519,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,984.05 : 669,046.19 = 376,813.81 : x
  2. Step 2: Convert to fraction form
    484,984.05/669,046.19 = 376,813.81/x
  3. Step 3: Cross multiply
    484,984.05x = 669,046.19 × 376,813.81
  4. Step 4: Simplify right side
    484,984.05x = 252,105,843,919.88
  5. Step 5: Solve for x
    x = 252,105,843,919.88/484,984.05
  6. Step 6: Final answer
    x = 519,822.96

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1.5x scale

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.