Home / 722,722.04-1,085,647.37-469,872.49

Finding the Fourth Proportional to 722,722.04, 1,085,647.37 and 469,872.49

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Solution

The fourth proportional to 722,722.04, 1,085,647.37 and 469,872.49 is: 705,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,722.04 : 1,085,647.37 = 469,872.49 : x
  2. Step 2: Convert to fraction form
    722,722.04/1,085,647.37 = 469,872.49/x
  3. Step 3: Cross multiply
    722,722.04x = 1,085,647.37 × 469,872.49
  4. Step 4: Simplify right side
    722,722.04x = 510,115,825,226.25
  5. Step 5: Solve for x
    x = 510,115,825,226.25/722,722.04
  6. Step 6: Final answer
    x = 705,825.75

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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.