Home / 502,541.77-693,514.40-273,103.60

Finding the Fourth Proportional to 502,541.77, 693,514.40 and 273,103.60

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Solution

The fourth proportional to 502,541.77, 693,514.40 and 273,103.60 is: 376,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,541.77 : 693,514.40 = 273,103.60 : x
  2. Step 2: Convert to fraction form
    502,541.77/693,514.40 = 273,103.60/x
  3. Step 3: Cross multiply
    502,541.77x = 693,514.40 × 273,103.60
  4. Step 4: Simplify right side
    502,541.77x = 189,401,279,291.84
  5. Step 5: Solve for x
    x = 189,401,279,291.84/502,541.77
  6. Step 6: Final answer
    x = 376,886.64

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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.