Home / 384,824.92-577,312.98-118,540.12

Finding the Fourth Proportional to 384,824.92, 577,312.98 and 118,540.12

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Solution

The fourth proportional to 384,824.92, 577,312.98 and 118,540.12 is: 177,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,824.92 : 577,312.98 = 118,540.12 : x
  2. Step 2: Convert to fraction form
    384,824.92/577,312.98 = 118,540.12/x
  3. Step 3: Cross multiply
    384,824.92x = 577,312.98 × 118,540.12
  4. Step 4: Simplify right side
    384,824.92x = 68,434,749,926.76
  5. Step 5: Solve for x
    x = 68,434,749,926.76/384,824.92
  6. Step 6: Final answer
    x = 177,833.47

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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.