Home / 439,981.34-659,972.00-203,293.26

Finding the Fourth Proportional to 439,981.34, 659,972.00 and 203,293.26

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Solution

The fourth proportional to 439,981.34, 659,972.00 and 203,293.26 is: 304,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,981.34 : 659,972.00 = 203,293.26 : x
  2. Step 2: Convert to fraction form
    439,981.34/659,972.00 = 203,293.26/x
  3. Step 3: Cross multiply
    439,981.34x = 659,972.00 × 203,293.26
  4. Step 4: Simplify right side
    439,981.34x = 134,167,859,896.95
  5. Step 5: Solve for x
    x = 134,167,859,896.95/439,981.34
  6. Step 6: Final answer
    x = 304,939.89

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Double scale
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Similar ratio
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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.