Home / 462,195.72-637,806.78-258,206.13

Finding the Fourth Proportional to 462,195.72, 637,806.78 and 258,206.13

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Solution

The fourth proportional to 462,195.72, 637,806.78 and 258,206.13 is: 356,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,195.72 : 637,806.78 = 258,206.13 : x
  2. Step 2: Convert to fraction form
    462,195.72/637,806.78 = 258,206.13/x
  3. Step 3: Cross multiply
    462,195.72x = 637,806.78 × 258,206.13
  4. Step 4: Simplify right side
    462,195.72x = 164,685,620,351.56
  5. Step 5: Solve for x
    x = 164,685,620,351.56/462,195.72
  6. Step 6: Final answer
    x = 356,311.44

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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.