Home / 519,727.20-778,934.70-252,913.20

Finding the Fourth Proportional to 519,727.20, 778,934.70 and 252,913.20

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Solution

The fourth proportional to 519,727.20, 778,934.70 and 252,913.20 is: 379,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,727.20 : 778,934.70 = 252,913.20 : x
  2. Step 2: Convert to fraction form
    519,727.20/778,934.70 = 252,913.20/x
  3. Step 3: Cross multiply
    519,727.20x = 778,934.70 × 252,913.20
  4. Step 4: Simplify right side
    519,727.20x = 197,002,867,568.04
  5. Step 5: Solve for x
    x = 197,002,867,568.04/519,727.20
  6. Step 6: Final answer
    x = 379,050.52

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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.