Home / 389,924.20-583,964.70-264,586.60

Finding the Fourth Proportional to 389,924.20, 583,964.70 and 264,586.60

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Solution

The fourth proportional to 389,924.20, 583,964.70 and 264,586.60 is: 396,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,924.20 : 583,964.70 = 264,586.60 : x
  2. Step 2: Convert to fraction form
    389,924.20/583,964.70 = 264,586.60/x
  3. Step 3: Cross multiply
    389,924.20x = 583,964.70 × 264,586.60
  4. Step 4: Simplify right side
    389,924.20x = 154,509,234,493.02
  5. Step 5: Solve for x
    x = 154,509,234,493.02/389,924.20
  6. Step 6: Final answer
    x = 396,254.54

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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.