Home / 502,631.36-693,673.44-276,319.52

Finding the Fourth Proportional to 502,631.36, 693,673.44 and 276,319.52

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Solution

The fourth proportional to 502,631.36, 693,673.44 and 276,319.52 is: 381,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,631.36 : 693,673.44 = 276,319.52 : x
  2. Step 2: Convert to fraction form
    502,631.36/693,673.44 = 276,319.52/x
  3. Step 3: Cross multiply
    502,631.36x = 693,673.44 × 276,319.52
  4. Step 4: Simplify right side
    502,631.36x = 191,675,511,977.55
  5. Step 5: Solve for x
    x = 191,675,511,977.55/502,631.36
  6. Step 6: Final answer
    x = 381,344.12

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1.5x scale

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.