Home / 407,136.11-561,836.90-235,048.26

Finding the Fourth Proportional to 407,136.11, 561,836.90 and 235,048.26

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Solution

The fourth proportional to 407,136.11, 561,836.90 and 235,048.26 is: 324,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,136.11 : 561,836.90 = 235,048.26 : x
  2. Step 2: Convert to fraction form
    407,136.11/561,836.90 = 235,048.26/x
  3. Step 3: Cross multiply
    407,136.11x = 561,836.90 × 235,048.26
  4. Step 4: Simplify right side
    407,136.11x = 132,058,784,573.55
  5. Step 5: Solve for x
    x = 132,058,784,573.55/407,136.11
  6. Step 6: Final answer
    x = 324,360.29

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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.