Home / 384,660.22-577,008.15-118,432.66

Finding the Fourth Proportional to 384,660.22, 577,008.15 and 118,432.66

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Solution

The fourth proportional to 384,660.22, 577,008.15 and 118,432.66 is: 177,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,660.22 : 577,008.15 = 118,432.66 : x
  2. Step 2: Convert to fraction form
    384,660.22/577,008.15 = 118,432.66/x
  3. Step 3: Cross multiply
    384,660.22x = 577,008.15 × 118,432.66
  4. Step 4: Simplify right side
    384,660.22x = 68,336,610,046.18
  5. Step 5: Solve for x
    x = 68,336,610,046.18/384,660.22
  6. Step 6: Final answer
    x = 177,654.48

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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.