Home / 347,198.45-519,948.36-313,540.52

Finding the Fourth Proportional to 347,198.45, 519,948.36 and 313,540.52

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Solution

The fourth proportional to 347,198.45, 519,948.36 and 313,540.52 is: 469,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,198.45 : 519,948.36 = 313,540.52 : x
  2. Step 2: Convert to fraction form
    347,198.45/519,948.36 = 313,540.52/x
  3. Step 3: Cross multiply
    347,198.45x = 519,948.36 × 313,540.52
  4. Step 4: Simplify right side
    347,198.45x = 163,024,876,567.81
  5. Step 5: Solve for x
    x = 163,024,876,567.81/347,198.45
  6. Step 6: Final answer
    x = 469,543.80

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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.