Home / 404,890.20-607,043.70-227,451.60

Finding the Fourth Proportional to 404,890.20, 607,043.70 and 227,451.60

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Solution

The fourth proportional to 404,890.20, 607,043.70 and 227,451.60 is: 341,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,890.20 : 607,043.70 = 227,451.60 : x
  2. Step 2: Convert to fraction form
    404,890.20/607,043.70 = 227,451.60/x
  3. Step 3: Cross multiply
    404,890.20x = 607,043.70 × 227,451.60
  4. Step 4: Simplify right side
    404,890.20x = 138,073,060,834.92
  5. Step 5: Solve for x
    x = 138,073,060,834.92/404,890.20
  6. Step 6: Final answer
    x = 341,013.59

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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.