Home / 619,584.45-928,511.56-334,660.69

Finding the Fourth Proportional to 619,584.45, 928,511.56 and 334,660.69

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Solution

The fourth proportional to 619,584.45, 928,511.56 and 334,660.69 is: 501,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,584.45 : 928,511.56 = 334,660.69 : x
  2. Step 2: Convert to fraction form
    619,584.45/928,511.56 = 334,660.69/x
  3. Step 3: Cross multiply
    619,584.45x = 928,511.56 × 334,660.69
  4. Step 4: Simplify right side
    619,584.45x = 310,736,319,342.58
  5. Step 5: Solve for x
    x = 310,736,319,342.58/619,584.45
  6. Step 6: Final answer
    x = 501,523.75

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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.