Home / 435,804.20-653,688.44-120,253.04

Finding the Fourth Proportional to 435,804.20, 653,688.44 and 120,253.04

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Solution

The fourth proportional to 435,804.20, 653,688.44 and 120,253.04 is: 180,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,804.20 : 653,688.44 = 120,253.04 : x
  2. Step 2: Convert to fraction form
    435,804.20/653,688.44 = 120,253.04/x
  3. Step 3: Cross multiply
    435,804.20x = 653,688.44 × 120,253.04
  4. Step 4: Simplify right side
    435,804.20x = 78,608,022,122.86
  5. Step 5: Solve for x
    x = 78,608,022,122.86/435,804.20
  6. Step 6: Final answer
    x = 180,374.63

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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.