Home / 739,912.40-1,109,868.60-529,960.40

Finding the Fourth Proportional to 739,912.40, 1,109,868.60 and 529,960.40

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Solution

The fourth proportional to 739,912.40, 1,109,868.60 and 529,960.40 is: 794,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,912.40 : 1,109,868.60 = 529,960.40 : x
  2. Step 2: Convert to fraction form
    739,912.40/1,109,868.60 = 529,960.40/x
  3. Step 3: Cross multiply
    739,912.40x = 1,109,868.60 × 529,960.40
  4. Step 4: Simplify right side
    739,912.40x = 588,186,407,203.44
  5. Step 5: Solve for x
    x = 588,186,407,203.44/739,912.40
  6. Step 6: Final answer
    x = 794,940.60

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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.