Home / 435,867.96-653,839.56-120,324.92

Finding the Fourth Proportional to 435,867.96, 653,839.56 and 120,324.92

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Solution

The fourth proportional to 435,867.96, 653,839.56 and 120,324.92 is: 180,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,867.96 : 653,839.56 = 120,324.92 : x
  2. Step 2: Convert to fraction form
    435,867.96/653,839.56 = 120,324.92/x
  3. Step 3: Cross multiply
    435,867.96x = 653,839.56 × 120,324.92
  4. Step 4: Simplify right side
    435,867.96x = 78,673,192,749.84
  5. Step 5: Solve for x
    x = 78,673,192,749.84/435,867.96
  6. Step 6: Final answer
    x = 180,497.77

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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.