Home / 437,553.02-603,819.60-243,958.43

Finding the Fourth Proportional to 437,553.02, 603,819.60 and 243,958.43

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Solution

The fourth proportional to 437,553.02, 603,819.60 and 243,958.43 is: 336,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.02 : 603,819.60 = 243,958.43 : x
  2. Step 2: Convert to fraction form
    437,553.02/603,819.60 = 243,958.43/x
  3. Step 3: Cross multiply
    437,553.02x = 603,819.60 × 243,958.43
  4. Step 4: Simplify right side
    437,553.02x = 147,306,881,619.23
  5. Step 5: Solve for x
    x = 147,306,881,619.23/437,553.02
  6. Step 6: Final answer
    x = 336,660.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.