Home / 693,154.56-1,039,731.84-293,786.40

Finding the Fourth Proportional to 693,154.56, 1,039,731.84 and 293,786.40

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Solution

The fourth proportional to 693,154.56, 1,039,731.84 and 293,786.40 is: 440,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,154.56 : 1,039,731.84 = 293,786.40 : x
  2. Step 2: Convert to fraction form
    693,154.56/1,039,731.84 = 293,786.40/x
  3. Step 3: Cross multiply
    693,154.56x = 1,039,731.84 × 293,786.40
  4. Step 4: Simplify right side
    693,154.56x = 305,459,074,238.98
  5. Step 5: Solve for x
    x = 305,459,074,238.98/693,154.56
  6. Step 6: Final answer
    x = 440,679.60

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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.