Home / 1,401,358.61-1,933,874.81-756,778.79

Finding the Fourth Proportional to 1,401,358.61, 1,933,874.81 and 756,778.79

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Solution

The fourth proportional to 1,401,358.61, 1,933,874.81 and 756,778.79 is: 1,044,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,358.61 : 1,933,874.81 = 756,778.79 : x
  2. Step 2: Convert to fraction form
    1,401,358.61/1,933,874.81 = 756,778.79/x
  3. Step 3: Cross multiply
    1,401,358.61x = 1,933,874.81 × 756,778.79
  4. Step 4: Simplify right side
    1,401,358.61x = 1,463,515,438,723.28
  5. Step 5: Solve for x
    x = 1,463,515,438,723.28/1,401,358.61
  6. Step 6: Final answer
    x = 1,044,354.69

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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.