Home / 488,865.20-733,079.10-222,488.60

Finding the Fourth Proportional to 488,865.20, 733,079.10 and 222,488.60

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Solution

The fourth proportional to 488,865.20, 733,079.10 and 222,488.60 is: 333,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,865.20 : 733,079.10 = 222,488.60 : x
  2. Step 2: Convert to fraction form
    488,865.20/733,079.10 = 222,488.60/x
  3. Step 3: Cross multiply
    488,865.20x = 733,079.10 × 222,488.60
  4. Step 4: Simplify right side
    488,865.20x = 163,101,742,648.26
  5. Step 5: Solve for x
    x = 163,101,742,648.26/488,865.20
  6. Step 6: Final answer
    x = 333,633.37

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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.