Home / 440,000.38-659,814.45-187,270.66

Finding the Fourth Proportional to 440,000.38, 659,814.45 and 187,270.66

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Solution

The fourth proportional to 440,000.38, 659,814.45 and 187,270.66 is: 280,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,000.38 : 659,814.45 = 187,270.66 : x
  2. Step 2: Convert to fraction form
    440,000.38/659,814.45 = 187,270.66/x
  3. Step 3: Cross multiply
    440,000.38x = 659,814.45 × 187,270.66
  4. Step 4: Simplify right side
    440,000.38x = 123,563,887,529.04
  5. Step 5: Solve for x
    x = 123,563,887,529.04/440,000.38
  6. Step 6: Final answer
    x = 280,826.77

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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.