Home / 411,529.59-617,353.55-127,242.30

Finding the Fourth Proportional to 411,529.59, 617,353.55 and 127,242.30

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Solution

The fourth proportional to 411,529.59, 617,353.55 and 127,242.30 is: 190,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,529.59 : 617,353.55 = 127,242.30 : x
  2. Step 2: Convert to fraction form
    411,529.59/617,353.55 = 127,242.30/x
  3. Step 3: Cross multiply
    411,529.59x = 617,353.55 × 127,242.30
  4. Step 4: Simplify right side
    411,529.59x = 78,553,485,615.17
  5. Step 5: Solve for x
    x = 78,553,485,615.17/411,529.59
  6. Step 6: Final answer
    x = 190,881.74

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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.