Home / 418,897.14-578,092.46-227,917.77

Finding the Fourth Proportional to 418,897.14, 578,092.46 and 227,917.77

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Solution

The fourth proportional to 418,897.14, 578,092.46 and 227,917.77 is: 314,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,897.14 : 578,092.46 = 227,917.77 : x
  2. Step 2: Convert to fraction form
    418,897.14/578,092.46 = 227,917.77/x
  3. Step 3: Cross multiply
    418,897.14x = 578,092.46 × 227,917.77
  4. Step 4: Simplify right side
    418,897.14x = 131,757,543,197.43
  5. Step 5: Solve for x
    x = 131,757,543,197.43/418,897.14
  6. Step 6: Final answer
    x = 314,534.36

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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.