Home / 688,930.85-1,033,419.33-529,249.43

Finding the Fourth Proportional to 688,930.85, 1,033,419.33 and 529,249.43

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Solution

The fourth proportional to 688,930.85, 1,033,419.33 and 529,249.43 is: 793,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,930.85 : 1,033,419.33 = 529,249.43 : x
  2. Step 2: Convert to fraction form
    688,930.85/1,033,419.33 = 529,249.43/x
  3. Step 3: Cross multiply
    688,930.85x = 1,033,419.33 × 529,249.43
  4. Step 4: Simplify right side
    688,930.85x = 546,936,586,186.39
  5. Step 5: Solve for x
    x = 546,936,586,186.39/688,930.85
  6. Step 6: Final answer
    x = 793,891.85

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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.