Home / 344,965.88-517,514.60-120,390.46

Finding the Fourth Proportional to 344,965.88, 517,514.60 and 120,390.46

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Solution

The fourth proportional to 344,965.88, 517,514.60 and 120,390.46 is: 180,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,965.88 : 517,514.60 = 120,390.46 : x
  2. Step 2: Convert to fraction form
    344,965.88/517,514.60 = 120,390.46/x
  3. Step 3: Cross multiply
    344,965.88x = 517,514.60 × 120,390.46
  4. Step 4: Simplify right side
    344,965.88x = 62,303,820,750.72
  5. Step 5: Solve for x
    x = 62,303,820,750.72/344,965.88
  6. Step 6: Final answer
    x = 180,608.65

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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.