Home / 435,764.58-653,684.52-120,221.48

Finding the Fourth Proportional to 435,764.58, 653,684.52 and 120,221.48

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Solution

The fourth proportional to 435,764.58, 653,684.52 and 120,221.48 is: 180,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,764.58 : 653,684.52 = 120,221.48 : x
  2. Step 2: Convert to fraction form
    435,764.58/653,684.52 = 120,221.48/x
  3. Step 3: Cross multiply
    435,764.58x = 653,684.52 × 120,221.48
  4. Step 4: Simplify right side
    435,764.58x = 78,586,922,532.53
  5. Step 5: Solve for x
    x = 78,586,922,532.53/435,764.58
  6. Step 6: Final answer
    x = 180,342.61

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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.