Home / 2,172,659.10-3,258,972.45-656,339.10

Finding the Fourth Proportional to 2,172,659.10, 3,258,972.45 and 656,339.10

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Solution

The fourth proportional to 2,172,659.10, 3,258,972.45 and 656,339.10 is: 984,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,659.10 : 3,258,972.45 = 656,339.10 : x
  2. Step 2: Convert to fraction form
    2,172,659.10/3,258,972.45 = 656,339.10/x
  3. Step 3: Cross multiply
    2,172,659.10x = 3,258,972.45 × 656,339.10
  4. Step 4: Simplify right side
    2,172,659.10x = 2,138,991,044,757.80
  5. Step 5: Solve for x
    x = 2,138,991,044,757.80/2,172,659.10
  6. Step 6: Final answer
    x = 984,503.76

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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.