Home / 767,997.54-1,059,862.05-419,157

Finding the Fourth Proportional to 767,997.54, 1,059,862.05 and 419,157

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Solution

The fourth proportional to 767,997.54, 1,059,862.05 and 419,157 is: 578,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,997.54 : 1,059,862.05 = 419,157 : x
  2. Step 2: Convert to fraction form
    767,997.54/1,059,862.05 = 419,157/x
  3. Step 3: Cross multiply
    767,997.54x = 1,059,862.05 × 419,157
  4. Step 4: Simplify right side
    767,997.54x = 444,248,597,291.85
  5. Step 5: Solve for x
    x = 444,248,597,291.85/767,997.54
  6. Step 6: Final answer
    x = 578,450.55

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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.