Home / 1,401,358.53-1,933,874.76-756,778.68

Finding the Fourth Proportional to 1,401,358.53, 1,933,874.76 and 756,778.68

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Solution

The fourth proportional to 1,401,358.53, 1,933,874.76 and 756,778.68 is: 1,044,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,358.53 : 1,933,874.76 = 756,778.68 : x
  2. Step 2: Convert to fraction form
    1,401,358.53/1,933,874.76 = 756,778.68/x
  3. Step 3: Cross multiply
    1,401,358.53x = 1,933,874.76 × 756,778.68
  4. Step 4: Simplify right side
    1,401,358.53x = 1,463,515,190,996.04
  5. Step 5: Solve for x
    x = 1,463,515,190,996.04/1,401,358.53
  6. Step 6: Final answer
    x = 1,044,354.58

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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.