Home / 1,401,400.46-1,933,932.56-756,820.59

Finding the Fourth Proportional to 1,401,400.46, 1,933,932.56 and 756,820.59

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Solution

The fourth proportional to 1,401,400.46, 1,933,932.56 and 756,820.59 is: 1,044,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,400.46 : 1,933,932.56 = 756,820.59 : x
  2. Step 2: Convert to fraction form
    1,401,400.46/1,933,932.56 = 756,820.59/x
  3. Step 3: Cross multiply
    1,401,400.46x = 1,933,932.56 × 756,820.59
  4. Step 4: Simplify right side
    1,401,400.46x = 1,463,639,981,079.41
  5. Step 5: Solve for x
    x = 1,463,639,981,079.41/1,401,400.46
  6. Step 6: Final answer
    x = 1,044,412.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.