Home / 729,928.20-1,094,147.10-493,294.80

Finding the Fourth Proportional to 729,928.20, 1,094,147.10 and 493,294.80

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Solution

The fourth proportional to 729,928.20, 1,094,147.10 and 493,294.80 is: 739,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,928.20 : 1,094,147.10 = 493,294.80 : x
  2. Step 2: Convert to fraction form
    729,928.20/1,094,147.10 = 493,294.80/x
  3. Step 3: Cross multiply
    729,928.20x = 1,094,147.10 × 493,294.80
  4. Step 4: Simplify right side
    729,928.20x = 539,737,074,865.08
  5. Step 5: Solve for x
    x = 539,737,074,865.08/729,928.20
  6. Step 6: Final answer
    x = 739,438.58

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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.