Home / 669,003.58-923,991.20-440,581.94

Finding the Fourth Proportional to 669,003.58, 923,991.20 and 440,581.94

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Solution

The fourth proportional to 669,003.58, 923,991.20 and 440,581.94 is: 608,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,003.58 : 923,991.20 = 440,581.94 : x
  2. Step 2: Convert to fraction form
    669,003.58/923,991.20 = 440,581.94/x
  3. Step 3: Cross multiply
    669,003.58x = 923,991.20 × 440,581.94
  4. Step 4: Simplify right side
    669,003.58x = 407,093,835,438.93
  5. Step 5: Solve for x
    x = 407,093,835,438.93/669,003.58
  6. Step 6: Final answer
    x = 608,507.71

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1.5x scale

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.