Home / 384,927.09-577,353.52-118,616.10

Finding the Fourth Proportional to 384,927.09, 577,353.52 and 118,616.10

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Solution

The fourth proportional to 384,927.09, 577,353.52 and 118,616.10 is: 177,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,927.09 : 577,353.52 = 118,616.10 : x
  2. Step 2: Convert to fraction form
    384,927.09/577,353.52 = 118,616.10/x
  3. Step 3: Cross multiply
    384,927.09x = 577,353.52 × 118,616.10
  4. Step 4: Simplify right side
    384,927.09x = 68,483,422,863.67
  5. Step 5: Solve for x
    x = 68,483,422,863.67/384,927.09
  6. Step 6: Final answer
    x = 177,912.71

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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.