Home / 480,625.75-721,096.43-196,555.21

Finding the Fourth Proportional to 480,625.75, 721,096.43 and 196,555.21

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Solution

The fourth proportional to 480,625.75, 721,096.43 and 196,555.21 is: 294,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,625.75 : 721,096.43 = 196,555.21 : x
  2. Step 2: Convert to fraction form
    480,625.75/721,096.43 = 196,555.21/x
  3. Step 3: Cross multiply
    480,625.75x = 721,096.43 × 196,555.21
  4. Step 4: Simplify right side
    480,625.75x = 141,735,260,228.90
  5. Step 5: Solve for x
    x = 141,735,260,228.90/480,625.75
  6. Step 6: Final answer
    x = 294,897.35

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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.