Home / 527,209.94-790,651.35-190,206.78

Finding the Fourth Proportional to 527,209.94, 790,651.35 and 190,206.78

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Solution

The fourth proportional to 527,209.94, 790,651.35 and 190,206.78 is: 285,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,209.94 : 790,651.35 = 190,206.78 : x
  2. Step 2: Convert to fraction form
    527,209.94/790,651.35 = 190,206.78/x
  3. Step 3: Cross multiply
    527,209.94x = 790,651.35 × 190,206.78
  4. Step 4: Simplify right side
    527,209.94x = 150,387,246,910.64
  5. Step 5: Solve for x
    x = 150,387,246,910.64/527,209.94
  6. Step 6: Final answer
    x = 285,251.16

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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.