Home / 1,340,313.88-2,010,372.30-393,758.68

Finding the Fourth Proportional to 1,340,313.88, 2,010,372.30 and 393,758.68

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Solution

The fourth proportional to 1,340,313.88, 2,010,372.30 and 393,758.68 is: 590,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,313.88 : 2,010,372.30 = 393,758.68 : x
  2. Step 2: Convert to fraction form
    1,340,313.88/2,010,372.30 = 393,758.68/x
  3. Step 3: Cross multiply
    1,340,313.88x = 2,010,372.30 × 393,758.68
  4. Step 4: Simplify right side
    1,340,313.88x = 791,601,543,156.56
  5. Step 5: Solve for x
    x = 791,601,543,156.56/1,340,313.88
  6. Step 6: Final answer
    x = 590,609.08

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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.