Home / 386,724.60-579,626.10-162,084.60

Finding the Fourth Proportional to 386,724.60, 579,626.10 and 162,084.60

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Solution

The fourth proportional to 386,724.60, 579,626.10 and 162,084.60 is: 242,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,724.60 : 579,626.10 = 162,084.60 : x
  2. Step 2: Convert to fraction form
    386,724.60/579,626.10 = 162,084.60/x
  3. Step 3: Cross multiply
    386,724.60x = 579,626.10 × 162,084.60
  4. Step 4: Simplify right side
    386,724.60x = 93,948,464,568.06
  5. Step 5: Solve for x
    x = 93,948,464,568.06/386,724.60
  6. Step 6: Final answer
    x = 242,933.77

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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.