Home / 829,126.80-1,242,961.20-562,021.20

Finding the Fourth Proportional to 829,126.80, 1,242,961.20 and 562,021.20

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Solution

The fourth proportional to 829,126.80, 1,242,961.20 and 562,021.20 is: 842,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,126.80 : 1,242,961.20 = 562,021.20 : x
  2. Step 2: Convert to fraction form
    829,126.80/1,242,961.20 = 562,021.20/x
  3. Step 3: Cross multiply
    829,126.80x = 1,242,961.20 × 562,021.20
  4. Step 4: Simplify right side
    829,126.80x = 698,570,545,177.44
  5. Step 5: Solve for x
    x = 698,570,545,177.44/829,126.80
  6. Step 6: Final answer
    x = 842,537.65

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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.