Home / 728,834.40-1,093,554-329,199.84

Finding the Fourth Proportional to 728,834.40, 1,093,554 and 329,199.84

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Solution

The fourth proportional to 728,834.40, 1,093,554 and 329,199.84 is: 493,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,834.40 : 1,093,554 = 329,199.84 : x
  2. Step 2: Convert to fraction form
    728,834.40/1,093,554 = 329,199.84/x
  3. Step 3: Cross multiply
    728,834.40x = 1,093,554 × 329,199.84
  4. Step 4: Simplify right side
    728,834.40x = 359,997,801,831.36
  5. Step 5: Solve for x
    x = 359,997,801,831.36/728,834.40
  6. Step 6: Final answer
    x = 493,936.35

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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.