Home / 619,402.42-929,016.15-198,623.62

Finding the Fourth Proportional to 619,402.42, 929,016.15 and 198,623.62

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Solution

The fourth proportional to 619,402.42, 929,016.15 and 198,623.62 is: 297,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,402.42 : 929,016.15 = 198,623.62 : x
  2. Step 2: Convert to fraction form
    619,402.42/929,016.15 = 198,623.62/x
  3. Step 3: Cross multiply
    619,402.42x = 929,016.15 × 198,623.62
  4. Step 4: Simplify right side
    619,402.42x = 184,524,550,751.46
  5. Step 5: Solve for x
    x = 184,524,550,751.46/619,402.42
  6. Step 6: Final answer
    x = 297,907.38

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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.