Home / 617,968.10-926,952.15-218,621.90

Finding the Fourth Proportional to 617,968.10, 926,952.15 and 218,621.90

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Solution

The fourth proportional to 617,968.10, 926,952.15 and 218,621.90 is: 327,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,968.10 : 926,952.15 = 218,621.90 : x
  2. Step 2: Convert to fraction form
    617,968.10/926,952.15 = 218,621.90/x
  3. Step 3: Cross multiply
    617,968.10x = 926,952.15 × 218,621.90
  4. Step 4: Simplify right side
    617,968.10x = 202,652,040,242.09
  5. Step 5: Solve for x
    x = 202,652,040,242.09/617,968.10
  6. Step 6: Final answer
    x = 327,932.85

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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.