Home / 527,000.45-790,337.25-189,997.52

Finding the Fourth Proportional to 527,000.45, 790,337.25 and 189,997.52

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Solution

The fourth proportional to 527,000.45, 790,337.25 and 189,997.52 is: 284,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,000.45 : 790,337.25 = 189,997.52 : x
  2. Step 2: Convert to fraction form
    527,000.45/790,337.25 = 189,997.52/x
  3. Step 3: Cross multiply
    527,000.45x = 790,337.25 × 189,997.52
  4. Step 4: Simplify right side
    527,000.45x = 150,162,113,511.93
  5. Step 5: Solve for x
    x = 150,162,113,511.93/527,000.45
  6. Step 6: Final answer
    x = 284,937.36

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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.