Home / 418,896.14-578,091.08-227,916.77

Finding the Fourth Proportional to 418,896.14, 578,091.08 and 227,916.77

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Solution

The fourth proportional to 418,896.14, 578,091.08 and 227,916.77 is: 314,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,896.14 : 578,091.08 = 227,916.77 : x
  2. Step 2: Convert to fraction form
    418,896.14/578,091.08 = 227,916.77/x
  3. Step 3: Cross multiply
    418,896.14x = 578,091.08 × 227,916.77
  4. Step 4: Simplify right side
    418,896.14x = 131,756,650,579.83
  5. Step 5: Solve for x
    x = 131,756,650,579.83/418,896.14
  6. Step 6: Final answer
    x = 314,532.98

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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.