Home / 384,964.48-577,440.36-115,093.24

Finding the Fourth Proportional to 384,964.48, 577,440.36 and 115,093.24

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Solution

The fourth proportional to 384,964.48, 577,440.36 and 115,093.24 is: 172,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,964.48 : 577,440.36 = 115,093.24 : x
  2. Step 2: Convert to fraction form
    384,964.48/577,440.36 = 115,093.24/x
  3. Step 3: Cross multiply
    384,964.48x = 577,440.36 × 115,093.24
  4. Step 4: Simplify right side
    384,964.48x = 66,459,480,983.20
  5. Step 5: Solve for x
    x = 66,459,480,983.20/384,964.48
  6. Step 6: Final answer
    x = 172,637.96

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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.