Home / 626,800.45-863,435.21-534,619.43

Finding the Fourth Proportional to 626,800.45, 863,435.21 and 534,619.43

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Solution

The fourth proportional to 626,800.45, 863,435.21 and 534,619.43 is: 736,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,800.45 : 863,435.21 = 534,619.43 : x
  2. Step 2: Convert to fraction form
    626,800.45/863,435.21 = 534,619.43/x
  3. Step 3: Cross multiply
    626,800.45x = 863,435.21 × 534,619.43
  4. Step 4: Simplify right side
    626,800.45x = 461,609,239,297.62
  5. Step 5: Solve for x
    x = 461,609,239,297.62/626,800.45
  6. Step 6: Final answer
    x = 736,453.27

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1.5x scale

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.