Home / 349,269.24-523,907.52-279,591.48

Finding the Fourth Proportional to 349,269.24, 523,907.52 and 279,591.48

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Solution

The fourth proportional to 349,269.24, 523,907.52 and 279,591.48 is: 419,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,269.24 : 523,907.52 = 279,591.48 : x
  2. Step 2: Convert to fraction form
    349,269.24/523,907.52 = 279,591.48/x
  3. Step 3: Cross multiply
    349,269.24x = 523,907.52 × 279,591.48
  4. Step 4: Simplify right side
    349,269.24x = 146,480,078,899.93
  5. Step 5: Solve for x
    x = 146,480,078,899.93/349,269.24
  6. Step 6: Final answer
    x = 419,390.15

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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.