Home / 1,413,800.74-1,950,986.73-769,223.50

Finding the Fourth Proportional to 1,413,800.74, 1,950,986.73 and 769,223.50

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Solution

The fourth proportional to 1,413,800.74, 1,950,986.73 and 769,223.50 is: 1,061,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,800.74 : 1,950,986.73 = 769,223.50 : x
  2. Step 2: Convert to fraction form
    1,413,800.74/1,950,986.73 = 769,223.50/x
  3. Step 3: Cross multiply
    1,413,800.74x = 1,950,986.73 × 769,223.50
  4. Step 4: Simplify right side
    1,413,800.74x = 1,500,744,838,911.28
  5. Step 5: Solve for x
    x = 1,500,744,838,911.28/1,413,800.74
  6. Step 6: Final answer
    x = 1,061,496.71

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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.