Home / 865,863.33-1,194,944.45-483,920.61

Finding the Fourth Proportional to 865,863.33, 1,194,944.45 and 483,920.61

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Solution

The fourth proportional to 865,863.33, 1,194,944.45 and 483,920.61 is: 667,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,863.33 : 1,194,944.45 = 483,920.61 : x
  2. Step 2: Convert to fraction form
    865,863.33/1,194,944.45 = 483,920.61/x
  3. Step 3: Cross multiply
    865,863.33x = 1,194,944.45 × 483,920.61
  4. Step 4: Simplify right side
    865,863.33x = 578,258,244,740.51
  5. Step 5: Solve for x
    x = 578,258,244,740.51/865,863.33
  6. Step 6: Final answer
    x = 667,840.09

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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.