Home / 693,149.28-1,040,123.28-293,758.56

Finding the Fourth Proportional to 693,149.28, 1,040,123.28 and 293,758.56

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Solution

The fourth proportional to 693,149.28, 1,040,123.28 and 293,758.56 is: 440,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,149.28 : 1,040,123.28 = 293,758.56 : x
  2. Step 2: Convert to fraction form
    693,149.28/1,040,123.28 = 293,758.56/x
  3. Step 3: Cross multiply
    693,149.28x = 1,040,123.28 × 293,758.56
  4. Step 4: Simplify right side
    693,149.28x = 305,545,116,955.28
  5. Step 5: Solve for x
    x = 305,545,116,955.28/693,149.28
  6. Step 6: Final answer
    x = 440,807.09

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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.