Home / 455,819.16-683,729.24-118,859.52

Finding the Fourth Proportional to 455,819.16, 683,729.24 and 118,859.52

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Solution

The fourth proportional to 455,819.16, 683,729.24 and 118,859.52 is: 178,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,819.16 : 683,729.24 = 118,859.52 : x
  2. Step 2: Convert to fraction form
    455,819.16/683,729.24 = 118,859.52/x
  3. Step 3: Cross multiply
    455,819.16x = 683,729.24 × 118,859.52
  4. Step 4: Simplify right side
    455,819.16x = 81,267,729,276.36
  5. Step 5: Solve for x
    x = 81,267,729,276.36/455,819.16
  6. Step 6: Final answer
    x = 178,289.41

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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.