Home / 661,529.92-992,622.90-262,161.86

Finding the Fourth Proportional to 661,529.92, 992,622.90 and 262,161.86

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Solution

The fourth proportional to 661,529.92, 992,622.90 and 262,161.86 is: 393,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,529.92 : 992,622.90 = 262,161.86 : x
  2. Step 2: Convert to fraction form
    661,529.92/992,622.90 = 262,161.86/x
  3. Step 3: Cross multiply
    661,529.92x = 992,622.90 × 262,161.86
  4. Step 4: Simplify right side
    661,529.92x = 260,227,865,742.59
  5. Step 5: Solve for x
    x = 260,227,865,742.59/661,529.92
  6. Step 6: Final answer
    x = 393,372.78

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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.