Home / 460,276.56-635,378.04-309,461.04

Finding the Fourth Proportional to 460,276.56, 635,378.04 and 309,461.04

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Solution

The fourth proportional to 460,276.56, 635,378.04 and 309,461.04 is: 427,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,276.56 : 635,378.04 = 309,461.04 : x
  2. Step 2: Convert to fraction form
    460,276.56/635,378.04 = 309,461.04/x
  3. Step 3: Cross multiply
    460,276.56x = 635,378.04 × 309,461.04
  4. Step 4: Simplify right side
    460,276.56x = 196,624,749,051.56
  5. Step 5: Solve for x
    x = 196,624,749,051.56/460,276.56
  6. Step 6: Final answer
    x = 427,188.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.