Home / 585,439.40-878,217.52-158,982.16

Finding the Fourth Proportional to 585,439.40, 878,217.52 and 158,982.16

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Solution

The fourth proportional to 585,439.40, 878,217.52 and 158,982.16 is: 238,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,439.40 : 878,217.52 = 158,982.16 : x
  2. Step 2: Convert to fraction form
    585,439.40/878,217.52 = 158,982.16/x
  3. Step 3: Cross multiply
    585,439.40x = 878,217.52 × 158,982.16
  4. Step 4: Simplify right side
    585,439.40x = 139,620,918,279.44
  5. Step 5: Solve for x
    x = 139,620,918,279.44/585,439.40
  6. Step 6: Final answer
    x = 238,489.10

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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.