Home / 481,068.60-721,615.86-214,766.52

Finding the Fourth Proportional to 481,068.60, 721,615.86 and 214,766.52

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Solution

The fourth proportional to 481,068.60, 721,615.86 and 214,766.52 is: 322,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,068.60 : 721,615.86 = 214,766.52 : x
  2. Step 2: Convert to fraction form
    481,068.60/721,615.86 = 214,766.52/x
  3. Step 3: Cross multiply
    481,068.60x = 721,615.86 × 214,766.52
  4. Step 4: Simplify right side
    481,068.60x = 154,978,927,029.01
  5. Step 5: Solve for x
    x = 154,978,927,029.01/481,068.60
  6. Step 6: Final answer
    x = 322,155.57

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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.