Home / 349,819.60-524,729.40-329,083.60

Finding the Fourth Proportional to 349,819.60, 524,729.40 and 329,083.60

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Solution

The fourth proportional to 349,819.60, 524,729.40 and 329,083.60 is: 493,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,819.60 : 524,729.40 = 329,083.60 : x
  2. Step 2: Convert to fraction form
    349,819.60/524,729.40 = 329,083.60/x
  3. Step 3: Cross multiply
    349,819.60x = 524,729.40 × 329,083.60
  4. Step 4: Simplify right side
    349,819.60x = 172,679,839,977.84
  5. Step 5: Solve for x
    x = 172,679,839,977.84/349,819.60
  6. Step 6: Final answer
    x = 493,625.40

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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.