Home / 797,977-1,101,231.30-440,304.04

Finding the Fourth Proportional to 797,977, 1,101,231.30 and 440,304.04

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Solution

The fourth proportional to 797,977, 1,101,231.30 and 440,304.04 is: 607,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,977 : 1,101,231.30 = 440,304.04 : x
  2. Step 2: Convert to fraction form
    797,977/1,101,231.30 = 440,304.04/x
  3. Step 3: Cross multiply
    797,977x = 1,101,231.30 × 440,304.04
  4. Step 4: Simplify right side
    797,977x = 484,876,590,364.45
  5. Step 5: Solve for x
    x = 484,876,590,364.45/797,977
  6. Step 6: Final answer
    x = 607,632.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.