Home / 693,152.28-1,040,127.78-293,761.56

Finding the Fourth Proportional to 693,152.28, 1,040,127.78 and 293,761.56

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Solution

The fourth proportional to 693,152.28, 1,040,127.78 and 293,761.56 is: 440,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,152.28 : 1,040,127.78 = 293,761.56 : x
  2. Step 2: Convert to fraction form
    693,152.28/1,040,127.78 = 293,761.56/x
  3. Step 3: Cross multiply
    693,152.28x = 1,040,127.78 × 293,761.56
  4. Step 4: Simplify right side
    693,152.28x = 305,549,559,252.14
  5. Step 5: Solve for x
    x = 305,549,559,252.14/693,152.28
  6. Step 6: Final answer
    x = 440,811.59

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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.