Home / 456,629.60-684,924.05-119,662.72

Finding the Fourth Proportional to 456,629.60, 684,924.05 and 119,662.72

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Solution

The fourth proportional to 456,629.60, 684,924.05 and 119,662.72 is: 179,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,629.60 : 684,924.05 = 119,662.72 : x
  2. Step 2: Convert to fraction form
    456,629.60/684,924.05 = 119,662.72/x
  3. Step 3: Cross multiply
    456,629.60x = 684,924.05 × 119,662.72
  4. Step 4: Simplify right side
    456,629.60x = 81,959,873,403.26
  5. Step 5: Solve for x
    x = 81,959,873,403.26/456,629.60
  6. Step 6: Final answer
    x = 179,488.74

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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.