Home / 619,410.42-929,028.15-198,631.62

Finding the Fourth Proportional to 619,410.42, 929,028.15 and 198,631.62

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Solution

The fourth proportional to 619,410.42, 929,028.15 and 198,631.62 is: 297,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,410.42 : 929,028.15 = 198,631.62 : x
  2. Step 2: Convert to fraction form
    619,410.42/929,028.15 = 198,631.62/x
  3. Step 3: Cross multiply
    619,410.42x = 929,028.15 × 198,631.62
  4. Step 4: Simplify right side
    619,410.42x = 184,534,366,460.10
  5. Step 5: Solve for x
    x = 184,534,366,460.10/619,410.42
  6. Step 6: Final answer
    x = 297,919.38

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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.