Home / 617,532.02-926,067.66-212,609.85

Finding the Fourth Proportional to 617,532.02, 926,067.66 and 212,609.85

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Solution

The fourth proportional to 617,532.02, 926,067.66 and 212,609.85 is: 318,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,532.02 : 926,067.66 = 212,609.85 : x
  2. Step 2: Convert to fraction form
    617,532.02/926,067.66 = 212,609.85/x
  3. Step 3: Cross multiply
    617,532.02x = 926,067.66 × 212,609.85
  4. Step 4: Simplify right side
    617,532.02x = 196,891,101,953.85
  5. Step 5: Solve for x
    x = 196,891,101,953.85/617,532.02
  6. Step 6: Final answer
    x = 318,835.45

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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.