Home / 405,983.22-608,808.30-121,573.58

Finding the Fourth Proportional to 405,983.22, 608,808.30 and 121,573.58

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Solution

The fourth proportional to 405,983.22, 608,808.30 and 121,573.58 is: 182,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,983.22 : 608,808.30 = 121,573.58 : x
  2. Step 2: Convert to fraction form
    405,983.22/608,808.30 = 121,573.58/x
  3. Step 3: Cross multiply
    405,983.22x = 608,808.30 × 121,573.58
  4. Step 4: Simplify right side
    405,983.22x = 74,015,004,564.71
  5. Step 5: Solve for x
    x = 74,015,004,564.71/405,983.22
  6. Step 6: Final answer
    x = 182,310.50

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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.