Home / 693,954.24-1,040,222.40-393,800.88

Finding the Fourth Proportional to 693,954.24, 1,040,222.40 and 393,800.88

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Solution

The fourth proportional to 693,954.24, 1,040,222.40 and 393,800.88 is: 590,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,954.24 : 1,040,222.40 = 393,800.88 : x
  2. Step 2: Convert to fraction form
    693,954.24/1,040,222.40 = 393,800.88/x
  3. Step 3: Cross multiply
    693,954.24x = 1,040,222.40 × 393,800.88
  4. Step 4: Simplify right side
    693,954.24x = 409,640,496,515.71
  5. Step 5: Solve for x
    x = 409,640,496,515.71/693,954.24
  6. Step 6: Final answer
    x = 590,299.00

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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.