Home / 502,082.93-692,872.25-272,638.37

Finding the Fourth Proportional to 502,082.93, 692,872.25 and 272,638.37

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Solution

The fourth proportional to 502,082.93, 692,872.25 and 272,638.37 is: 376,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,082.93 : 692,872.25 = 272,638.37 : x
  2. Step 2: Convert to fraction form
    502,082.93/692,872.25 = 272,638.37/x
  3. Step 3: Cross multiply
    502,082.93x = 692,872.25 × 272,638.37
  4. Step 4: Simplify right side
    502,082.93x = 188,903,557,053.07
  5. Step 5: Solve for x
    x = 188,903,557,053.07/502,082.93
  6. Step 6: Final answer
    x = 376,239.75

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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.