Home / 502,268.98-693,136.92-272,828.38

Finding the Fourth Proportional to 502,268.98, 693,136.92 and 272,828.38

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Solution

The fourth proportional to 502,268.98, 693,136.92 and 272,828.38 is: 376,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,268.98 : 693,136.92 = 272,828.38 : x
  2. Step 2: Convert to fraction form
    502,268.98/693,136.92 = 272,828.38/x
  3. Step 3: Cross multiply
    502,268.98x = 693,136.92 × 272,828.38
  4. Step 4: Simplify right side
    502,268.98x = 189,107,423,001.79
  5. Step 5: Solve for x
    x = 189,107,423,001.79/502,268.98
  6. Step 6: Final answer
    x = 376,506.28

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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.