Home / 361,774.16-499,215.38-200,628.71

Finding the Fourth Proportional to 361,774.16, 499,215.38 and 200,628.71

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Solution

The fourth proportional to 361,774.16, 499,215.38 and 200,628.71 is: 276,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,774.16 : 499,215.38 = 200,628.71 : x
  2. Step 2: Convert to fraction form
    361,774.16/499,215.38 = 200,628.71/x
  3. Step 3: Cross multiply
    361,774.16x = 499,215.38 × 200,628.71
  4. Step 4: Simplify right side
    361,774.16x = 100,156,937,701.56
  5. Step 5: Solve for x
    x = 100,156,937,701.56/361,774.16
  6. Step 6: Final answer
    x = 276,849.34

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1.5x scale

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.