Home / 722,834.40-1,084,251.60-512,882.40

Finding the Fourth Proportional to 722,834.40, 1,084,251.60 and 512,882.40

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Solution

The fourth proportional to 722,834.40, 1,084,251.60 and 512,882.40 is: 769,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,834.40 : 1,084,251.60 = 512,882.40 : x
  2. Step 2: Convert to fraction form
    722,834.40/1,084,251.60 = 512,882.40/x
  3. Step 3: Cross multiply
    722,834.40x = 1,084,251.60 × 512,882.40
  4. Step 4: Simplify right side
    722,834.40x = 556,093,562,811.84
  5. Step 5: Solve for x
    x = 556,093,562,811.84/722,834.40
  6. Step 6: Final answer
    x = 769,323.60

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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.