Home / 384,964.08-577,945.29-257,694.60

Finding the Fourth Proportional to 384,964.08, 577,945.29 and 257,694.60

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Solution

The fourth proportional to 384,964.08, 577,945.29 and 257,694.60 is: 386,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,964.08 : 577,945.29 = 257,694.60 : x
  2. Step 2: Convert to fraction form
    384,964.08/577,945.29 = 257,694.60/x
  3. Step 3: Cross multiply
    384,964.08x = 577,945.29 × 257,694.60
  4. Step 4: Simplify right side
    384,964.08x = 148,933,380,328.43
  5. Step 5: Solve for x
    x = 148,933,380,328.43/384,964.08
  6. Step 6: Final answer
    x = 386,876.04

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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.