Home / 436,260.60-654,405.46-120,691.08

Finding the Fourth Proportional to 436,260.60, 654,405.46 and 120,691.08

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Solution

The fourth proportional to 436,260.60, 654,405.46 and 120,691.08 is: 181,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,260.60 : 654,405.46 = 120,691.08 : x
  2. Step 2: Convert to fraction form
    436,260.60/654,405.46 = 120,691.08/x
  3. Step 3: Cross multiply
    436,260.60x = 654,405.46 × 120,691.08
  4. Step 4: Simplify right side
    436,260.60x = 78,980,901,725.30
  5. Step 5: Solve for x
    x = 78,980,901,725.30/436,260.60
  6. Step 6: Final answer
    x = 181,040.65

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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.