Home / 985,961.57-1,479,105.77-346,099.28

Finding the Fourth Proportional to 985,961.57, 1,479,105.77 and 346,099.28

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Solution

The fourth proportional to 985,961.57, 1,479,105.77 and 346,099.28 is: 519,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,961.57 : 1,479,105.77 = 346,099.28 : x
  2. Step 2: Convert to fraction form
    985,961.57/1,479,105.77 = 346,099.28/x
  3. Step 3: Cross multiply
    985,961.57x = 1,479,105.77 × 346,099.28
  4. Step 4: Simplify right side
    985,961.57x = 511,917,441,234.79
  5. Step 5: Solve for x
    x = 511,917,441,234.79/985,961.57
  6. Step 6: Final answer
    x = 519,206.28

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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.