Home / 664,914.33-916,958.92-529,395.63

Finding the Fourth Proportional to 664,914.33, 916,958.92 and 529,395.63

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Solution

The fourth proportional to 664,914.33, 916,958.92 and 529,395.63 is: 730,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,914.33 : 916,958.92 = 529,395.63 : x
  2. Step 2: Convert to fraction form
    664,914.33/916,958.92 = 529,395.63/x
  3. Step 3: Cross multiply
    664,914.33x = 916,958.92 × 529,395.63
  4. Step 4: Simplify right side
    664,914.33x = 485,434,045,137.52
  5. Step 5: Solve for x
    x = 485,434,045,137.52/664,914.33
  6. Step 6: Final answer
    x = 730,070.06

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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.