Home / 384,781.04-577,234.68-118,535.60

Finding the Fourth Proportional to 384,781.04, 577,234.68 and 118,535.60

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Solution

The fourth proportional to 384,781.04, 577,234.68 and 118,535.60 is: 177,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,781.04 : 577,234.68 = 118,535.60 : x
  2. Step 2: Convert to fraction form
    384,781.04/577,234.68 = 118,535.60/x
  3. Step 3: Cross multiply
    384,781.04x = 577,234.68 × 118,535.60
  4. Step 4: Simplify right side
    384,781.04x = 68,422,859,134.61
  5. Step 5: Solve for x
    x = 68,422,859,134.61/384,781.04
  6. Step 6: Final answer
    x = 177,822.84

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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.