Home / 492,098.04-679,078.67-301,111.43

Finding the Fourth Proportional to 492,098.04, 679,078.67 and 301,111.43

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Solution

The fourth proportional to 492,098.04, 679,078.67 and 301,111.43 is: 415,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,098.04 : 679,078.67 = 301,111.43 : x
  2. Step 2: Convert to fraction form
    492,098.04/679,078.67 = 301,111.43/x
  3. Step 3: Cross multiply
    492,098.04x = 679,078.67 × 301,111.43
  4. Step 4: Simplify right side
    492,098.04x = 204,478,344,505.25
  5. Step 5: Solve for x
    x = 204,478,344,505.25/492,098.04
  6. Step 6: Final answer
    x = 415,523.59

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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.