Home / 729,023.60-1,093,535.40-659,039.60

Finding the Fourth Proportional to 729,023.60, 1,093,535.40 and 659,039.60

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Solution

The fourth proportional to 729,023.60, 1,093,535.40 and 659,039.60 is: 988,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,023.60 : 1,093,535.40 = 659,039.60 : x
  2. Step 2: Convert to fraction form
    729,023.60/1,093,535.40 = 659,039.60/x
  3. Step 3: Cross multiply
    729,023.60x = 1,093,535.40 × 659,039.60
  4. Step 4: Simplify right side
    729,023.60x = 720,683,132,601.84
  5. Step 5: Solve for x
    x = 720,683,132,601.84/729,023.60
  6. Step 6: Final answer
    x = 988,559.40

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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.