Home / 436,026.03-654,039.35-120,483.24

Finding the Fourth Proportional to 436,026.03, 654,039.35 and 120,483.24

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Solution

The fourth proportional to 436,026.03, 654,039.35 and 120,483.24 is: 180,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,026.03 : 654,039.35 = 120,483.24 : x
  2. Step 2: Convert to fraction form
    436,026.03/654,039.35 = 120,483.24/x
  3. Step 3: Cross multiply
    436,026.03x = 654,039.35 × 120,483.24
  4. Step 4: Simplify right side
    436,026.03x = 78,800,780,276.70
  5. Step 5: Solve for x
    x = 78,800,780,276.70/436,026.03
  6. Step 6: Final answer
    x = 180,724.94

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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.