Home / 436,029.60-654,044.40-331,053.60

Finding the Fourth Proportional to 436,029.60, 654,044.40 and 331,053.60

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Solution

The fourth proportional to 436,029.60, 654,044.40 and 331,053.60 is: 496,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,029.60 : 654,044.40 = 331,053.60 : x
  2. Step 2: Convert to fraction form
    436,029.60/654,044.40 = 331,053.60/x
  3. Step 3: Cross multiply
    436,029.60x = 654,044.40 × 331,053.60
  4. Step 4: Simplify right side
    436,029.60x = 216,523,753,179.84
  5. Step 5: Solve for x
    x = 216,523,753,179.84/436,029.60
  6. Step 6: Final answer
    x = 496,580.40

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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.