Home / 865,957.44-1,298,708.55-258,601.62

Finding the Fourth Proportional to 865,957.44, 1,298,708.55 and 258,601.62

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Solution

The fourth proportional to 865,957.44, 1,298,708.55 and 258,601.62 is: 387,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,957.44 : 1,298,708.55 = 258,601.62 : x
  2. Step 2: Convert to fraction form
    865,957.44/1,298,708.55 = 258,601.62/x
  3. Step 3: Cross multiply
    865,957.44x = 1,298,708.55 × 258,601.62
  4. Step 4: Simplify right side
    865,957.44x = 335,848,134,937.85
  5. Step 5: Solve for x
    x = 335,848,134,937.85/865,957.44
  6. Step 6: Final answer
    x = 387,834.46

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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.