Home / 411,141.17-616,799.76-122,975.42

Finding the Fourth Proportional to 411,141.17, 616,799.76 and 122,975.42

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Solution

The fourth proportional to 411,141.17, 616,799.76 and 122,975.42 is: 184,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,141.17 : 616,799.76 = 122,975.42 : x
  2. Step 2: Convert to fraction form
    411,141.17/616,799.76 = 122,975.42/x
  3. Step 3: Cross multiply
    411,141.17x = 616,799.76 × 122,975.42
  4. Step 4: Simplify right side
    411,141.17x = 75,851,206,688.48
  5. Step 5: Solve for x
    x = 75,851,206,688.48/411,141.17
  6. Step 6: Final answer
    x = 184,489.45

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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.