Home / 436,026.54-654,040.10-120,483.74

Finding the Fourth Proportional to 436,026.54, 654,040.10 and 120,483.74

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Solution

The fourth proportional to 436,026.54, 654,040.10 and 120,483.74 is: 180,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,026.54 : 654,040.10 = 120,483.74 : x
  2. Step 2: Convert to fraction form
    436,026.54/654,040.10 = 120,483.74/x
  3. Step 3: Cross multiply
    436,026.54x = 654,040.10 × 120,483.74
  4. Step 4: Simplify right side
    436,026.54x = 78,801,197,357.97
  5. Step 5: Solve for x
    x = 78,801,197,357.97/436,026.54
  6. Step 6: Final answer
    x = 180,725.69

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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.