Home / 529,619.40-794,429.10-486,073.80

Finding the Fourth Proportional to 529,619.40, 794,429.10 and 486,073.80

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Solution

The fourth proportional to 529,619.40, 794,429.10 and 486,073.80 is: 729,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,619.40 : 794,429.10 = 486,073.80 : x
  2. Step 2: Convert to fraction form
    529,619.40/794,429.10 = 486,073.80/x
  3. Step 3: Cross multiply
    529,619.40x = 794,429.10 × 486,073.80
  4. Step 4: Simplify right side
    529,619.40x = 386,151,171,467.58
  5. Step 5: Solve for x
    x = 386,151,171,467.58/529,619.40
  6. Step 6: Final answer
    x = 729,110.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.