Home / 619,865.42-929,436.87-240,342.79

Finding the Fourth Proportional to 619,865.42, 929,436.87 and 240,342.79

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Solution

The fourth proportional to 619,865.42, 929,436.87 and 240,342.79 is: 360,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,865.42 : 929,436.87 = 240,342.79 : x
  2. Step 2: Convert to fraction form
    619,865.42/929,436.87 = 240,342.79/x
  3. Step 3: Cross multiply
    619,865.42x = 929,436.87 × 240,342.79
  4. Step 4: Simplify right side
    619,865.42x = 223,383,450,464.67
  5. Step 5: Solve for x
    x = 223,383,450,464.67/619,865.42
  6. Step 6: Final answer
    x = 360,374.11

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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.