Home / 619,141.23-928,804.12-219,748.57

Finding the Fourth Proportional to 619,141.23, 928,804.12 and 219,748.57

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Solution

The fourth proportional to 619,141.23, 928,804.12 and 219,748.57 is: 329,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,141.23 : 928,804.12 = 219,748.57 : x
  2. Step 2: Convert to fraction form
    619,141.23/928,804.12 = 219,748.57/x
  3. Step 3: Cross multiply
    619,141.23x = 928,804.12 × 219,748.57
  4. Step 4: Simplify right side
    619,141.23x = 204,103,374,308.73
  5. Step 5: Solve for x
    x = 204,103,374,308.73/619,141.23
  6. Step 6: Final answer
    x = 329,655.60

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1.5x scale

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.