Home / 411,528.60-617,352.04-127,241.30

Finding the Fourth Proportional to 411,528.60, 617,352.04 and 127,241.30

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Solution

The fourth proportional to 411,528.60, 617,352.04 and 127,241.30 is: 190,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,528.60 : 617,352.04 = 127,241.30 : x
  2. Step 2: Convert to fraction form
    411,528.60/617,352.04 = 127,241.30/x
  3. Step 3: Cross multiply
    411,528.60x = 617,352.04 × 127,241.30
  4. Step 4: Simplify right side
    411,528.60x = 78,552,676,127.25
  5. Step 5: Solve for x
    x = 78,552,676,127.25/411,528.60
  6. Step 6: Final answer
    x = 190,880.24

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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.