Home / 376,856.24-520,064.52-207,093.20

Finding the Fourth Proportional to 376,856.24, 520,064.52 and 207,093.20

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Solution

The fourth proportional to 376,856.24, 520,064.52 and 207,093.20 is: 285,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,856.24 : 520,064.52 = 207,093.20 : x
  2. Step 2: Convert to fraction form
    376,856.24/520,064.52 = 207,093.20/x
  3. Step 3: Cross multiply
    376,856.24x = 520,064.52 × 207,093.20
  4. Step 4: Simplify right side
    376,856.24x = 107,701,825,653.26
  5. Step 5: Solve for x
    x = 107,701,825,653.26/376,856.24
  6. Step 6: Final answer
    x = 285,790.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.