Home / 662,922.60-993,727.80-325,687.20

Finding the Fourth Proportional to 662,922.60, 993,727.80 and 325,687.20

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Solution

The fourth proportional to 662,922.60, 993,727.80 and 325,687.20 is: 488,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,922.60 : 993,727.80 = 325,687.20 : x
  2. Step 2: Convert to fraction form
    662,922.60/993,727.80 = 325,687.20/x
  3. Step 3: Cross multiply
    662,922.60x = 993,727.80 × 325,687.20
  4. Step 4: Simplify right side
    662,922.60x = 323,644,424,744.16
  5. Step 5: Solve for x
    x = 323,644,424,744.16/662,922.60
  6. Step 6: Final answer
    x = 488,208.46

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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.