Home / 481,070.60-721,618.86-214,768.52

Finding the Fourth Proportional to 481,070.60, 721,618.86 and 214,768.52

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Solution

The fourth proportional to 481,070.60, 721,618.86 and 214,768.52 is: 322,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,070.60 : 721,618.86 = 214,768.52 : x
  2. Step 2: Convert to fraction form
    481,070.60/721,618.86 = 214,768.52/x
  3. Step 3: Cross multiply
    481,070.60x = 721,618.86 × 214,768.52
  4. Step 4: Simplify right side
    481,070.60x = 154,981,014,566.29
  5. Step 5: Solve for x
    x = 154,981,014,566.29/481,070.60
  6. Step 6: Final answer
    x = 322,158.57

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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.