Home / 615,311.20-922,880.40-194,629.60

Finding the Fourth Proportional to 615,311.20, 922,880.40 and 194,629.60

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Solution

The fourth proportional to 615,311.20, 922,880.40 and 194,629.60 is: 291,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,311.20 : 922,880.40 = 194,629.60 : x
  2. Step 2: Convert to fraction form
    615,311.20/922,880.40 = 194,629.60/x
  3. Step 3: Cross multiply
    615,311.20x = 922,880.40 × 194,629.60
  4. Step 4: Simplify right side
    615,311.20x = 179,619,843,099.84
  5. Step 5: Solve for x
    x = 179,619,843,099.84/615,311.20
  6. Step 6: Final answer
    x = 291,917.07

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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.