Home / 729,940.20-1,094,910.30-529,319.40

Finding the Fourth Proportional to 729,940.20, 1,094,910.30 and 529,319.40

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Solution

The fourth proportional to 729,940.20, 1,094,910.30 and 529,319.40 is: 793,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,940.20 : 1,094,910.30 = 529,319.40 : x
  2. Step 2: Convert to fraction form
    729,940.20/1,094,910.30 = 529,319.40/x
  3. Step 3: Cross multiply
    729,940.20x = 1,094,910.30 × 529,319.40
  4. Step 4: Simplify right side
    729,940.20x = 579,557,263,049.82
  5. Step 5: Solve for x
    x = 579,557,263,049.82/729,940.20
  6. Step 6: Final answer
    x = 793,979.10

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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.