Home / 436,026.28-654,039.73-120,483.49

Finding the Fourth Proportional to 436,026.28, 654,039.73 and 120,483.49

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Solution

The fourth proportional to 436,026.28, 654,039.73 and 120,483.49 is: 180,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,026.28 : 654,039.73 = 120,483.49 : x
  2. Step 2: Convert to fraction form
    436,026.28/654,039.73 = 120,483.49/x
  3. Step 3: Cross multiply
    436,026.28x = 654,039.73 × 120,483.49
  4. Step 4: Simplify right side
    436,026.28x = 78,800,989,269.06
  5. Step 5: Solve for x
    x = 78,800,989,269.06/436,026.28
  6. Step 6: Final answer
    x = 180,725.32

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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.