Home / 384,979.60-577,469.40-104,531.60

Finding the Fourth Proportional to 384,979.60, 577,469.40 and 104,531.60

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Solution

The fourth proportional to 384,979.60, 577,469.40 and 104,531.60 is: 156,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,979.60 : 577,469.40 = 104,531.60 : x
  2. Step 2: Convert to fraction form
    384,979.60/577,469.40 = 104,531.60/x
  3. Step 3: Cross multiply
    384,979.60x = 577,469.40 × 104,531.60
  4. Step 4: Simplify right side
    384,979.60x = 60,363,800,333.04
  5. Step 5: Solve for x
    x = 60,363,800,333.04/384,979.60
  6. Step 6: Final answer
    x = 156,797.40

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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.