Home / 411,660.18-617,403.87-116,103.06

Finding the Fourth Proportional to 411,660.18, 617,403.87 and 116,103.06

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Solution

The fourth proportional to 411,660.18, 617,403.87 and 116,103.06 is: 174,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,660.18 : 617,403.87 = 116,103.06 : x
  2. Step 2: Convert to fraction form
    411,660.18/617,403.87 = 116,103.06/x
  3. Step 3: Cross multiply
    411,660.18x = 617,403.87 × 116,103.06
  4. Step 4: Simplify right side
    411,660.18x = 71,682,478,562.84
  5. Step 5: Solve for x
    x = 71,682,478,562.84/411,660.18
  6. Step 6: Final answer
    x = 174,130.22

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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.