Home / 619,251.60-930,977.10-494,485.68

Finding the Fourth Proportional to 619,251.60, 930,977.10 and 494,485.68

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Solution

The fourth proportional to 619,251.60, 930,977.10 and 494,485.68 is: 743,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,251.60 : 930,977.10 = 494,485.68 : x
  2. Step 2: Convert to fraction form
    619,251.60/930,977.10 = 494,485.68/x
  3. Step 3: Cross multiply
    619,251.60x = 930,977.10 × 494,485.68
  4. Step 4: Simplify right side
    619,251.60x = 460,354,844,357.93
  5. Step 5: Solve for x
    x = 460,354,844,357.93/619,251.60
  6. Step 6: Final answer
    x = 743,405.18

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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.