Home / 709,747.38-1,064,788.88-229,974.39

Finding the Fourth Proportional to 709,747.38, 1,064,788.88 and 229,974.39

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Solution

The fourth proportional to 709,747.38, 1,064,788.88 and 229,974.39 is: 345,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,747.38 : 1,064,788.88 = 229,974.39 : x
  2. Step 2: Convert to fraction form
    709,747.38/1,064,788.88 = 229,974.39/x
  3. Step 3: Cross multiply
    709,747.38x = 1,064,788.88 × 229,974.39
  4. Step 4: Simplify right side
    709,747.38x = 244,874,173,156.78
  5. Step 5: Solve for x
    x = 244,874,173,156.78/709,747.38
  6. Step 6: Final answer
    x = 345,015.96

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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.