Home / 354,621.40-531,932.10-340,624.60

Finding the Fourth Proportional to 354,621.40, 531,932.10 and 340,624.60

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Solution

The fourth proportional to 354,621.40, 531,932.10 and 340,624.60 is: 510,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,621.40 : 531,932.10 = 340,624.60 : x
  2. Step 2: Convert to fraction form
    354,621.40/531,932.10 = 340,624.60/x
  3. Step 3: Cross multiply
    354,621.40x = 531,932.10 × 340,624.60
  4. Step 4: Simplify right side
    354,621.40x = 181,189,158,789.66
  5. Step 5: Solve for x
    x = 181,189,158,789.66/354,621.40
  6. Step 6: Final answer
    x = 510,936.90

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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.