Home / 384,921.37-577,344.95-118,610.38

Finding the Fourth Proportional to 384,921.37, 577,344.95 and 118,610.38

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Solution

The fourth proportional to 384,921.37, 577,344.95 and 118,610.38 is: 177,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,921.37 : 577,344.95 = 118,610.38 : x
  2. Step 2: Convert to fraction form
    384,921.37/577,344.95 = 118,610.38/x
  3. Step 3: Cross multiply
    384,921.37x = 577,344.95 × 118,610.38
  4. Step 4: Simplify right side
    384,921.37x = 68,479,104,484.00
  5. Step 5: Solve for x
    x = 68,479,104,484.00/384,921.37
  6. Step 6: Final answer
    x = 177,904.14

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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.