Home / 892,786.16-1,339,031.28-293,754.80

Finding the Fourth Proportional to 892,786.16, 1,339,031.28 and 293,754.80

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Solution

The fourth proportional to 892,786.16, 1,339,031.28 and 293,754.80 is: 440,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,786.16 : 1,339,031.28 = 293,754.80 : x
  2. Step 2: Convert to fraction form
    892,786.16/1,339,031.28 = 293,754.80/x
  3. Step 3: Cross multiply
    892,786.16x = 1,339,031.28 × 293,754.80
  4. Step 4: Simplify right side
    892,786.16x = 393,346,865,850.14
  5. Step 5: Solve for x
    x = 393,346,865,850.14/892,786.16
  6. Step 6: Final answer
    x = 440,583.52

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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.