Home / 619,627.20-929,570.40-198,945.60

Finding the Fourth Proportional to 619,627.20, 929,570.40 and 198,945.60

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Solution

The fourth proportional to 619,627.20, 929,570.40 and 198,945.60 is: 298,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,627.20 : 929,570.40 = 198,945.60 : x
  2. Step 2: Convert to fraction form
    619,627.20/929,570.40 = 198,945.60/x
  3. Step 3: Cross multiply
    619,627.20x = 929,570.40 × 198,945.60
  4. Step 4: Simplify right side
    619,627.20x = 184,933,940,970.24
  5. Step 5: Solve for x
    x = 184,933,940,970.24/619,627.20
  6. Step 6: Final answer
    x = 298,460.01

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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.