Home / 384,743.49-577,177.25-118,503.88

Finding the Fourth Proportional to 384,743.49, 577,177.25 and 118,503.88

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Solution

The fourth proportional to 384,743.49, 577,177.25 and 118,503.88 is: 177,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,743.49 : 577,177.25 = 118,503.88 : x
  2. Step 2: Convert to fraction form
    384,743.49/577,177.25 = 118,503.88/x
  3. Step 3: Cross multiply
    384,743.49x = 577,177.25 × 118,503.88
  4. Step 4: Simplify right side
    384,743.49x = 68,397,743,572.73
  5. Step 5: Solve for x
    x = 68,397,743,572.73/384,743.49
  6. Step 6: Final answer
    x = 177,774.92

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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.