Home / 483,830.06-667,772.75-279,852.62

Finding the Fourth Proportional to 483,830.06, 667,772.75 and 279,852.62

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Solution

The fourth proportional to 483,830.06, 667,772.75 and 279,852.62 is: 386,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,830.06 : 667,772.75 = 279,852.62 : x
  2. Step 2: Convert to fraction form
    483,830.06/667,772.75 = 279,852.62/x
  3. Step 3: Cross multiply
    483,830.06x = 667,772.75 × 279,852.62
  4. Step 4: Simplify right side
    483,830.06x = 186,877,953,652.11
  5. Step 5: Solve for x
    x = 186,877,953,652.11/483,830.06
  6. Step 6: Final answer
    x = 386,247.09

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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.