Home / 694,234.52-1,039,875.12-409,618.32

Finding the Fourth Proportional to 694,234.52, 1,039,875.12 and 409,618.32

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Solution

The fourth proportional to 694,234.52, 1,039,875.12 and 409,618.32 is: 613,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,234.52 : 1,039,875.12 = 409,618.32 : x
  2. Step 2: Convert to fraction form
    694,234.52/1,039,875.12 = 409,618.32/x
  3. Step 3: Cross multiply
    694,234.52x = 1,039,875.12 × 409,618.32
  4. Step 4: Simplify right side
    694,234.52x = 425,951,899,664.20
  5. Step 5: Solve for x
    x = 425,951,899,664.20/694,234.52
  6. Step 6: Final answer
    x = 613,556.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.