Home / 729,059.40-1,093,589.10-658,200.60

Finding the Fourth Proportional to 729,059.40, 1,093,589.10 and 658,200.60

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Solution

The fourth proportional to 729,059.40, 1,093,589.10 and 658,200.60 is: 987,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,059.40 : 1,093,589.10 = 658,200.60 : x
  2. Step 2: Convert to fraction form
    729,059.40/1,093,589.10 = 658,200.60/x
  3. Step 3: Cross multiply
    729,059.40x = 1,093,589.10 × 658,200.60
  4. Step 4: Simplify right side
    729,059.40x = 719,801,001,773.46
  5. Step 5: Solve for x
    x = 719,801,001,773.46/729,059.40
  6. Step 6: Final answer
    x = 987,300.90

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Double scale
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Similar ratio
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1.5x scale

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.