Home / 513,190.20-769,712.40-176,246.40

Finding the Fourth Proportional to 513,190.20, 769,712.40 and 176,246.40

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Solution

The fourth proportional to 513,190.20, 769,712.40 and 176,246.40 is: 264,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,190.20 : 769,712.40 = 176,246.40 : x
  2. Step 2: Convert to fraction form
    513,190.20/769,712.40 = 176,246.40/x
  3. Step 3: Cross multiply
    513,190.20x = 769,712.40 × 176,246.40
  4. Step 4: Simplify right side
    513,190.20x = 135,659,039,535.36
  5. Step 5: Solve for x
    x = 135,659,039,535.36/513,190.20
  6. Step 6: Final answer
    x = 264,344.56

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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.