Home / 979,634.30-1,469,105.85-348,568.70

Finding the Fourth Proportional to 979,634.30, 1,469,105.85 and 348,568.70

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Solution

The fourth proportional to 979,634.30, 1,469,105.85 and 348,568.70 is: 522,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,634.30 : 1,469,105.85 = 348,568.70 : x
  2. Step 2: Convert to fraction form
    979,634.30/1,469,105.85 = 348,568.70/x
  3. Step 3: Cross multiply
    979,634.30x = 1,469,105.85 × 348,568.70
  4. Step 4: Simplify right side
    979,634.30x = 512,084,316,296.90
  5. Step 5: Solve for x
    x = 512,084,316,296.90/979,634.30
  6. Step 6: Final answer
    x = 522,730.08

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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.