Home / 694,195.20-957,974.40-376,243.20

Finding the Fourth Proportional to 694,195.20, 957,974.40 and 376,243.20

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Solution

The fourth proportional to 694,195.20, 957,974.40 and 376,243.20 is: 519,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,195.20 : 957,974.40 = 376,243.20 : x
  2. Step 2: Convert to fraction form
    694,195.20/957,974.40 = 376,243.20/x
  3. Step 3: Cross multiply
    694,195.20x = 957,974.40 × 376,243.20
  4. Step 4: Simplify right side
    694,195.20x = 360,431,353,774.08
  5. Step 5: Solve for x
    x = 360,431,353,774.08/694,195.20
  6. Step 6: Final answer
    x = 519,207.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.