Home / 527,219.83-790,666.20-190,216.69

Finding the Fourth Proportional to 527,219.83, 790,666.20 and 190,216.69

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Solution

The fourth proportional to 527,219.83, 790,666.20 and 190,216.69 is: 285,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,219.83 : 790,666.20 = 190,216.69 : x
  2. Step 2: Convert to fraction form
    527,219.83/790,666.20 = 190,216.69/x
  3. Step 3: Cross multiply
    527,219.83x = 790,666.20 × 190,216.69
  4. Step 4: Simplify right side
    527,219.83x = 150,397,907,458.88
  5. Step 5: Solve for x
    x = 150,397,907,458.88/527,219.83
  6. Step 6: Final answer
    x = 285,266.03

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1.5x scale

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.