Home / 615,087.20-922,544.40-194,405.60

Finding the Fourth Proportional to 615,087.20, 922,544.40 and 194,405.60

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Solution

The fourth proportional to 615,087.20, 922,544.40 and 194,405.60 is: 291,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,087.20 : 922,544.40 = 194,405.60 : x
  2. Step 2: Convert to fraction form
    615,087.20/922,544.40 = 194,405.60/x
  3. Step 3: Cross multiply
    615,087.20x = 922,544.40 × 194,405.60
  4. Step 4: Simplify right side
    615,087.20x = 179,347,797,608.64
  5. Step 5: Solve for x
    x = 179,347,797,608.64/615,087.20
  6. Step 6: Final answer
    x = 291,581.09

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1.5x scale

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.