Home / 2,172,635.85-3,258,937.58-656,315.85

Finding the Fourth Proportional to 2,172,635.85, 3,258,937.58 and 656,315.85

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Solution

The fourth proportional to 2,172,635.85, 3,258,937.58 and 656,315.85 is: 984,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,635.85 : 3,258,937.58 = 656,315.85 : x
  2. Step 2: Convert to fraction form
    2,172,635.85/3,258,937.58 = 656,315.85/x
  3. Step 3: Cross multiply
    2,172,635.85x = 3,258,937.58 × 656,315.85
  4. Step 4: Simplify right side
    2,172,635.85x = 2,138,892,384,633.06
  5. Step 5: Solve for x
    x = 2,138,892,384,633.06/2,172,635.85
  6. Step 6: Final answer
    x = 984,468.88

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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.