Home / 419,094.22-578,362.54-258,042.18

Finding the Fourth Proportional to 419,094.22, 578,362.54 and 258,042.18

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Solution

The fourth proportional to 419,094.22, 578,362.54 and 258,042.18 is: 356,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,094.22 : 578,362.54 = 258,042.18 : x
  2. Step 2: Convert to fraction form
    419,094.22/578,362.54 = 258,042.18/x
  3. Step 3: Cross multiply
    419,094.22x = 578,362.54 × 258,042.18
  4. Step 4: Simplify right side
    419,094.22x = 149,241,930,651.94
  5. Step 5: Solve for x
    x = 149,241,930,651.94/419,094.22
  6. Step 6: Final answer
    x = 356,105.91

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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.