Home / 411,943.60-617,224.20-201,127.60

Finding the Fourth Proportional to 411,943.60, 617,224.20 and 201,127.60

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Solution

The fourth proportional to 411,943.60, 617,224.20 and 201,127.60 is: 301,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,943.60 : 617,224.20 = 201,127.60 : x
  2. Step 2: Convert to fraction form
    411,943.60/617,224.20 = 201,127.60/x
  3. Step 3: Cross multiply
    411,943.60x = 617,224.20 × 201,127.60
  4. Step 4: Simplify right side
    411,943.60x = 124,140,822,007.92
  5. Step 5: Solve for x
    x = 124,140,822,007.92/411,943.60
  6. Step 6: Final answer
    x = 301,353.93

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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.