Home / 619,748.82-929,627.33-170,517.15

Finding the Fourth Proportional to 619,748.82, 929,627.33 and 170,517.15

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Solution

The fourth proportional to 619,748.82, 929,627.33 and 170,517.15 is: 255,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,748.82 : 929,627.33 = 170,517.15 : x
  2. Step 2: Convert to fraction form
    619,748.82/929,627.33 = 170,517.15/x
  3. Step 3: Cross multiply
    619,748.82x = 929,627.33 × 170,517.15
  4. Step 4: Simplify right side
    619,748.82x = 158,517,402,021.12
  5. Step 5: Solve for x
    x = 158,517,402,021.12/619,748.82
  6. Step 6: Final answer
    x = 255,776.85

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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.