Home / 519,027.57-778,263.87-266,204.91

Finding the Fourth Proportional to 519,027.57, 778,263.87 and 266,204.91

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Solution

The fourth proportional to 519,027.57, 778,263.87 and 266,204.91 is: 399,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,027.57 : 778,263.87 = 266,204.91 : x
  2. Step 2: Convert to fraction form
    519,027.57/778,263.87 = 266,204.91/x
  3. Step 3: Cross multiply
    519,027.57x = 778,263.87 × 266,204.91
  4. Step 4: Simplify right side
    519,027.57x = 207,177,663,469.60
  5. Step 5: Solve for x
    x = 207,177,663,469.60/519,027.57
  6. Step 6: Final answer
    x = 399,165.05

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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.